Home / 1,057,937,007.90-1,586,490,273.45-402,539,958.30

Finding the Fourth Proportional to 1,057,937,007.90, 1,586,490,273.45 and 402,539,958.30

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Solution

The fourth proportional to 1,057,937,007.90, 1,586,490,273.45 and 402,539,958.30 is: 603,651,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,937,007.90 : 1,586,490,273.45 = 402,539,958.30 : x
  2. Step 2: Convert to fraction form
    1,057,937,007.90/1,586,490,273.45 = 402,539,958.30/x
  3. Step 3: Cross multiply
    1,057,937,007.90x = 1,586,490,273.45 × 402,539,958.30
  4. Step 4: Simplify right side
    1,057,937,007.90x = 638,625,728,517,918,592
  5. Step 5: Solve for x
    x = 638,625,728,517,918,592/1,057,937,007.90
  6. Step 6: Final answer
    x = 603,651,941.23

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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.