Home / 509,539,604,375.16-703,179,598,014.72-278,068,069,127.70

Finding the Fourth Proportional to 509,539,604,375.16, 703,179,598,014.72 and 278,068,069,127.70

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Solution

The fourth proportional to 509,539,604,375.16, 703,179,598,014.72 and 278,068,069,127.70 is: 383,742,090,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,539,604,375.16 : 703,179,598,014.72 = 278,068,069,127.70 : x
  2. Step 2: Convert to fraction form
    509,539,604,375.16/703,179,598,014.72 = 278,068,069,127.70/x
  3. Step 3: Cross multiply
    509,539,604,375.16x = 703,179,598,014.72 × 278,068,069,127.70
  4. Step 4: Simplify right side
    509,539,604,375.16x = 195,531,793,069,945,468,747,776
  5. Step 5: Solve for x
    x = 195,531,793,069,945,468,747,776/509,539,604,375.16
  6. Step 6: Final answer
    x = 383,742,090,685.42

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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.