Home / 702,047,727.20-1,053,071,590.80-357,673,959.20

Finding the Fourth Proportional to 702,047,727.20, 1,053,071,590.80 and 357,673,959.20

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Solution

The fourth proportional to 702,047,727.20, 1,053,071,590.80 and 357,673,959.20 is: 536,510,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,047,727.20 : 1,053,071,590.80 = 357,673,959.20 : x
  2. Step 2: Convert to fraction form
    702,047,727.20/1,053,071,590.80 = 357,673,959.20/x
  3. Step 3: Cross multiply
    702,047,727.20x = 1,053,071,590.80 × 357,673,959.20
  4. Step 4: Simplify right side
    702,047,727.20x = 376,656,285,202,478,272
  5. Step 5: Solve for x
    x = 376,656,285,202,478,272/702,047,727.20
  6. Step 6: Final answer
    x = 536,510,938.80

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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.