Home / 1,069,708,880.40-1,604,563,320.60-977,875,875.60

Finding the Fourth Proportional to 1,069,708,880.40, 1,604,563,320.60 and 977,875,875.60

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Solution

The fourth proportional to 1,069,708,880.40, 1,604,563,320.60 and 977,875,875.60 is: 1,466,813,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,708,880.40 : 1,604,563,320.60 = 977,875,875.60 : x
  2. Step 2: Convert to fraction form
    1,069,708,880.40/1,604,563,320.60 = 977,875,875.60/x
  3. Step 3: Cross multiply
    1,069,708,880.40x = 1,604,563,320.60 × 977,875,875.60
  4. Step 4: Simplify right side
    1,069,708,880.40x = 1,569,063,762,087,368,448
  5. Step 5: Solve for x
    x = 1,569,063,762,087,368,448/1,069,708,880.40
  6. Step 6: Final answer
    x = 1,466,813,813.40

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Double scale
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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.