Home / 417,748,204.39-626,643,120.45-158,983,479.76

Finding the Fourth Proportional to 417,748,204.39, 626,643,120.45 and 158,983,479.76

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Solution

The fourth proportional to 417,748,204.39, 626,643,120.45 and 158,983,479.76 is: 238,483,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,748,204.39 : 626,643,120.45 = 158,983,479.76 : x
  2. Step 2: Convert to fraction form
    417,748,204.39/626,643,120.45 = 158,983,479.76/x
  3. Step 3: Cross multiply
    417,748,204.39x = 626,643,120.45 × 158,983,479.76
  4. Step 4: Simplify right side
    417,748,204.39x = 99,625,903,855,666,992
  5. Step 5: Solve for x
    x = 99,625,903,855,666,992/417,748,204.39
  6. Step 6: Final answer
    x = 238,483,140.82

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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.