Home / 1,069,709,829.90-1,604,564,744.85-977,876,825.10

Finding the Fourth Proportional to 1,069,709,829.90, 1,604,564,744.85 and 977,876,825.10

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Solution

The fourth proportional to 1,069,709,829.90, 1,604,564,744.85 and 977,876,825.10 is: 1,466,815,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,709,829.90 : 1,604,564,744.85 = 977,876,825.10 : x
  2. Step 2: Convert to fraction form
    1,069,709,829.90/1,604,564,744.85 = 977,876,825.10/x
  3. Step 3: Cross multiply
    1,069,709,829.90x = 1,604,564,744.85 × 977,876,825.10
  4. Step 4: Simplify right side
    1,069,709,829.90x = 1,569,066,678,361,309,440
  5. Step 5: Solve for x
    x = 1,569,066,678,361,309,440/1,069,709,829.90
  6. Step 6: Final answer
    x = 1,466,815,237.65

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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.