Home / 415,152,772,407.06-622,666,238,500.20-112,988,921,508.53

Finding the Fourth Proportional to 415,152,772,407.06, 622,666,238,500.20 and 112,988,921,508.53

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Solution

The fourth proportional to 415,152,772,407.06, 622,666,238,500.20 and 112,988,921,508.53 is: 169,466,257,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,152,772,407.06 : 622,666,238,500.20 = 112,988,921,508.53 : x
  2. Step 2: Convert to fraction form
    415,152,772,407.06/622,666,238,500.20 = 112,988,921,508.53/x
  3. Step 3: Cross multiply
    415,152,772,407.06x = 622,666,238,500.20 × 112,988,921,508.53
  4. Step 4: Simplify right side
    415,152,772,407.06x = 70,354,386,747,910,709,575,680
  5. Step 5: Solve for x
    x = 70,354,386,747,910,709,575,680/415,152,772,407.06
  6. Step 6: Final answer
    x = 169,466,257,782.64

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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.