Home / 19,903,172,370.81-29,858,951,479.95-6,456,406,312.14

Finding the Fourth Proportional to 19,903,172,370.81, 29,858,951,479.95 and 6,456,406,312.14

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Solution

The fourth proportional to 19,903,172,370.81, 29,858,951,479.95 and 6,456,406,312.14 is: 9,685,969,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,172,370.81 : 29,858,951,479.95 = 6,456,406,312.14 : x
  2. Step 2: Convert to fraction form
    19,903,172,370.81/29,858,951,479.95 = 6,456,406,312.14/x
  3. Step 3: Cross multiply
    19,903,172,370.81x = 29,858,951,479.95 × 6,456,406,312.14
  4. Step 4: Simplify right side
    19,903,172,370.81x = 192,781,522,809,031,196,672
  5. Step 5: Solve for x
    x = 192,781,522,809,031,196,672/19,903,172,370.81
  6. Step 6: Final answer
    x = 9,685,969,614.16

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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.