Home / 15,599,549,956.12-21,527,420,665.44-8,462,963,768.20

Finding the Fourth Proportional to 15,599,549,956.12, 21,527,420,665.44 and 8,462,963,768.20

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Solution

The fourth proportional to 15,599,549,956.12, 21,527,420,665.44 and 8,462,963,768.20 is: 11,678,912,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599,549,956.12 : 21,527,420,665.44 = 8,462,963,768.20 : x
  2. Step 2: Convert to fraction form
    15,599,549,956.12/21,527,420,665.44 = 8,462,963,768.20/x
  3. Step 3: Cross multiply
    15,599,549,956.12x = 21,527,420,665.44 × 8,462,963,768.20
  4. Step 4: Simplify right side
    15,599,549,956.12x = 182,185,781,114,418,626,560
  5. Step 5: Solve for x
    x = 182,185,781,114,418,626,560/15,599,549,956.12
  6. Step 6: Final answer
    x = 11,678,912,637.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.