Home / 7,113,889,560.86-9,817,226,082.24-3,942,126,445.94

Finding the Fourth Proportional to 7,113,889,560.86, 9,817,226,082.24 and 3,942,126,445.94

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Solution

The fourth proportional to 7,113,889,560.86, 9,817,226,082.24 and 3,942,126,445.94 is: 5,440,166,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,889,560.86 : 9,817,226,082.24 = 3,942,126,445.94 : x
  2. Step 2: Convert to fraction form
    7,113,889,560.86/9,817,226,082.24 = 3,942,126,445.94/x
  3. Step 3: Cross multiply
    7,113,889,560.86x = 9,817,226,082.24 × 3,942,126,445.94
  4. Step 4: Simplify right side
    7,113,889,560.86x = 38,700,746,564,570,243,072
  5. Step 5: Solve for x
    x = 38,700,746,564,570,243,072/7,113,889,560.86
  6. Step 6: Final answer
    x = 5,440,166,906.37

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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.