Home / 52,007,534,431.20-78,011,301,646.80-12,748,924,879.20

Finding the Fourth Proportional to 52,007,534,431.20, 78,011,301,646.80 and 12,748,924,879.20

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Solution

The fourth proportional to 52,007,534,431.20, 78,011,301,646.80 and 12,748,924,879.20 is: 19,123,387,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,534,431.20 : 78,011,301,646.80 = 12,748,924,879.20 : x
  2. Step 2: Convert to fraction form
    52,007,534,431.20/78,011,301,646.80 = 12,748,924,879.20/x
  3. Step 3: Cross multiply
    52,007,534,431.20x = 78,011,301,646.80 × 12,748,924,879.20
  4. Step 4: Simplify right side
    52,007,534,431.20x = 994,560,224,423,664,549,888
  5. Step 5: Solve for x
    x = 994,560,224,423,664,549,888/52,007,534,431.20
  6. Step 6: Final answer
    x = 19,123,387,318.80

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1.5x scale

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.