Home / 660,038,007.30-990,057,010.95-332,386,916.10

Finding the Fourth Proportional to 660,038,007.30, 990,057,010.95 and 332,386,916.10

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Solution

The fourth proportional to 660,038,007.30, 990,057,010.95 and 332,386,916.10 is: 498,580,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,038,007.30 : 990,057,010.95 = 332,386,916.10 : x
  2. Step 2: Convert to fraction form
    660,038,007.30/990,057,010.95 = 332,386,916.10/x
  3. Step 3: Cross multiply
    660,038,007.30x = 990,057,010.95 × 332,386,916.10
  4. Step 4: Simplify right side
    660,038,007.30x = 329,081,996,632,854,464
  5. Step 5: Solve for x
    x = 329,081,996,632,854,464/660,038,007.30
  6. Step 6: Final answer
    x = 498,580,374.15

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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.