Home / 514,498,538.76-710,010,609.84-279,549,799.44

Finding the Fourth Proportional to 514,498,538.76, 710,010,609.84 and 279,549,799.44

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Solution

The fourth proportional to 514,498,538.76, 710,010,609.84 and 279,549,799.44 is: 385,780,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,498,538.76 : 710,010,609.84 = 279,549,799.44 : x
  2. Step 2: Convert to fraction form
    514,498,538.76/710,010,609.84 = 279,549,799.44/x
  3. Step 3: Cross multiply
    514,498,538.76x = 710,010,609.84 × 279,549,799.44
  4. Step 4: Simplify right side
    514,498,538.76x = 198,483,323,581,044,096
  5. Step 5: Solve for x
    x = 198,483,323,581,044,096/514,498,538.76
  6. Step 6: Final answer
    x = 385,780,150.24

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1.5x scale

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.