Home / 52,007,534,445.70-78,011,301,668.55-12,748,924,893.70

Finding the Fourth Proportional to 52,007,534,445.70, 78,011,301,668.55 and 12,748,924,893.70

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Solution

The fourth proportional to 52,007,534,445.70, 78,011,301,668.55 and 12,748,924,893.70 is: 19,123,387,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,534,445.70 : 78,011,301,668.55 = 12,748,924,893.70 : x
  2. Step 2: Convert to fraction form
    52,007,534,445.70/78,011,301,668.55 = 12,748,924,893.70/x
  3. Step 3: Cross multiply
    52,007,534,445.70x = 78,011,301,668.55 × 12,748,924,893.70
  4. Step 4: Simplify right side
    52,007,534,445.70x = 994,560,225,832,117,600,256
  5. Step 5: Solve for x
    x = 994,560,225,832,117,600,256/52,007,534,445.70
  6. Step 6: Final answer
    x = 19,123,387,340.55

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Double scale
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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.