Home / 559,635,709.50-838,329,341.76-278,670,162.24

Finding the Fourth Proportional to 559,635,709.50, 838,329,341.76 and 278,670,162.24

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Solution

The fourth proportional to 559,635,709.50, 838,329,341.76 and 278,670,162.24 is: 417,445,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,635,709.50 : 838,329,341.76 = 278,670,162.24 : x
  2. Step 2: Convert to fraction form
    559,635,709.50/838,329,341.76 = 278,670,162.24/x
  3. Step 3: Cross multiply
    559,635,709.50x = 838,329,341.76 × 278,670,162.24
  4. Step 4: Simplify right side
    559,635,709.50x = 233,617,373,678,811,616
  5. Step 5: Solve for x
    x = 233,617,373,678,811,616/559,635,709.50
  6. Step 6: Final answer
    x = 417,445,437.65

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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.