Home / 993,991,569.60-1,490,987,354.40-338,724,816.60

Finding the Fourth Proportional to 993,991,569.60, 1,490,987,354.40 and 338,724,816.60

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Solution

The fourth proportional to 993,991,569.60, 1,490,987,354.40 and 338,724,816.60 is: 508,087,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,991,569.60 : 1,490,987,354.40 = 338,724,816.60 : x
  2. Step 2: Convert to fraction form
    993,991,569.60/1,490,987,354.40 = 338,724,816.60/x
  3. Step 3: Cross multiply
    993,991,569.60x = 1,490,987,354.40 × 338,724,816.60
  4. Step 4: Simplify right side
    993,991,569.60x = 505,034,418,172,059,264
  5. Step 5: Solve for x
    x = 505,034,418,172,059,264/993,991,569.60
  6. Step 6: Final answer
    x = 508,087,224.90

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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.