Home / 673,693,557.28-1,010,902,109.50-280,491,826.74

Finding the Fourth Proportional to 673,693,557.28, 1,010,902,109.50 and 280,491,826.74

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Solution

The fourth proportional to 673,693,557.28, 1,010,902,109.50 and 280,491,826.74 is: 420,888,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,693,557.28 : 1,010,902,109.50 = 280,491,826.74 : x
  2. Step 2: Convert to fraction form
    673,693,557.28/1,010,902,109.50 = 280,491,826.74/x
  3. Step 3: Cross multiply
    673,693,557.28x = 1,010,902,109.50 × 280,491,826.74
  4. Step 4: Simplify right side
    673,693,557.28x = 283,549,779,348,974,528
  5. Step 5: Solve for x
    x = 283,549,779,348,974,528/673,693,557.28
  6. Step 6: Final answer
    x = 420,888,364.28

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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.