Home / 528,406,070.78-792,547,520.24-140,259,060.38

Finding the Fourth Proportional to 528,406,070.78, 792,547,520.24 and 140,259,060.38

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Solution

The fourth proportional to 528,406,070.78, 792,547,520.24 and 140,259,060.38 is: 210,372,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,406,070.78 : 792,547,520.24 = 140,259,060.38 : x
  2. Step 2: Convert to fraction form
    528,406,070.78/792,547,520.24 = 140,259,060.38/x
  3. Step 3: Cross multiply
    528,406,070.78x = 792,547,520.24 × 140,259,060.38
  4. Step 4: Simplify right side
    528,406,070.78x = 111,161,970,495,361,424
  5. Step 5: Solve for x
    x = 111,161,970,495,361,424/528,406,070.78
  6. Step 6: Final answer
    x = 210,372,243.32

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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.