Home / 506,438,023.01-698,869,461.51-280,387,081.44

Finding the Fourth Proportional to 506,438,023.01, 698,869,461.51 and 280,387,081.44

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Solution

The fourth proportional to 506,438,023.01, 698,869,461.51 and 280,387,081.44 is: 386,925,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,438,023.01 : 698,869,461.51 = 280,387,081.44 : x
  2. Step 2: Convert to fraction form
    506,438,023.01/698,869,461.51 = 280,387,081.44/x
  3. Step 3: Cross multiply
    506,438,023.01x = 698,869,461.51 × 280,387,081.44
  4. Step 4: Simplify right side
    506,438,023.01x = 195,953,968,620,333,312
  5. Step 5: Solve for x
    x = 195,953,968,620,333,312/506,438,023.01
  6. Step 6: Final answer
    x = 386,925,862.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.