Home / 42,130,158,462.68-63,188,510,645.10-12,277,506,732.84

Finding the Fourth Proportional to 42,130,158,462.68, 63,188,510,645.10 and 12,277,506,732.84

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Solution

The fourth proportional to 42,130,158,462.68, 63,188,510,645.10 and 12,277,506,732.84 is: 18,414,299,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130,158,462.68 : 63,188,510,645.10 = 12,277,506,732.84 : x
  2. Step 2: Convert to fraction form
    42,130,158,462.68/63,188,510,645.10 = 12,277,506,732.84/x
  3. Step 3: Cross multiply
    42,130,158,462.68x = 63,188,510,645.10 × 12,277,506,732.84
  4. Step 4: Simplify right side
    42,130,158,462.68x = 775,797,364,883,347,210,240
  5. Step 5: Solve for x
    x = 775,797,364,883,347,210,240/42,130,158,462.68
  6. Step 6: Final answer
    x = 18,414,299,712.89

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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.