Home / 1,069,708,906.90-1,604,563,360.35-977,875,902.10

Finding the Fourth Proportional to 1,069,708,906.90, 1,604,563,360.35 and 977,875,902.10

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Solution

The fourth proportional to 1,069,708,906.90, 1,604,563,360.35 and 977,875,902.10 is: 1,466,813,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,708,906.90 : 1,604,563,360.35 = 977,875,902.10 : x
  2. Step 2: Convert to fraction form
    1,069,708,906.90/1,604,563,360.35 = 977,875,902.10/x
  3. Step 3: Cross multiply
    1,069,708,906.90x = 1,604,563,360.35 × 977,875,902.10
  4. Step 4: Simplify right side
    1,069,708,906.90x = 1,569,063,843,478,863,616
  5. Step 5: Solve for x
    x = 1,569,063,843,478,863,616/1,069,708,906.90
  6. Step 6: Final answer
    x = 1,466,813,853.15

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Half scale
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Double scale
Find fourth proportional to 1,069,708,907.90, 1,604,563,361.85 and 977,875,903.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.