Home / 52,007,534,446.70-78,011,301,670.05-12,748,924,894.70

Finding the Fourth Proportional to 52,007,534,446.70, 78,011,301,670.05 and 12,748,924,894.70

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Solution

The fourth proportional to 52,007,534,446.70, 78,011,301,670.05 and 12,748,924,894.70 is: 19,123,387,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,534,446.70 : 78,011,301,670.05 = 12,748,924,894.70 : x
  2. Step 2: Convert to fraction form
    52,007,534,446.70/78,011,301,670.05 = 12,748,924,894.70/x
  3. Step 3: Cross multiply
    52,007,534,446.70x = 78,011,301,670.05 × 12,748,924,894.70
  4. Step 4: Simplify right side
    52,007,534,446.70x = 994,560,225,929,252,175,872
  5. Step 5: Solve for x
    x = 994,560,225,929,252,175,872/52,007,534,446.70
  6. Step 6: Final answer
    x = 19,123,387,342.05

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Double scale
Find fourth proportional to 52,007,534,447.70, 78,011,301,671.55 and 12,748,924,895.70
Similar ratio
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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.