Home / 430,773,834,019.92-646,173,914,823.45-147,788,707,859.87

Finding the Fourth Proportional to 430,773,834,019.92, 646,173,914,823.45 and 147,788,707,859.87

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Solution

The fourth proportional to 430,773,834,019.92, 646,173,914,823.45 and 147,788,707,859.87 is: 221,687,577,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,773,834,019.92 : 646,173,914,823.45 = 147,788,707,859.87 : x
  2. Step 2: Convert to fraction form
    430,773,834,019.92/646,173,914,823.45 = 147,788,707,859.87/x
  3. Step 3: Cross multiply
    430,773,834,019.92x = 646,173,914,823.45 × 147,788,707,859.87
  4. Step 4: Simplify right side
    430,773,834,019.92x = 95,497,207,924,511,356,223,488
  5. Step 5: Solve for x
    x = 95,497,207,924,511,356,223,488/430,773,834,019.92
  6. Step 6: Final answer
    x = 221,687,577,988.07

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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.