Home / 319,754,692.80-478,876,501.44-156,104,521.92

Finding the Fourth Proportional to 319,754,692.80, 478,876,501.44 and 156,104,521.92

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Solution

The fourth proportional to 319,754,692.80, 478,876,501.44 and 156,104,521.92 is: 233,787,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,754,692.80 : 478,876,501.44 = 156,104,521.92 : x
  2. Step 2: Convert to fraction form
    319,754,692.80/478,876,501.44 = 156,104,521.92/x
  3. Step 3: Cross multiply
    319,754,692.80x = 478,876,501.44 × 156,104,521.92
  4. Step 4: Simplify right side
    319,754,692.80x = 74,754,787,316,013,392
  5. Step 5: Solve for x
    x = 74,754,787,316,013,392/319,754,692.80
  6. Step 6: Final answer
    x = 233,787,928.68

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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.