Home / 715,561,385,314.95-1,073,262,523,801.10-256,077,512,381.48

Finding the Fourth Proportional to 715,561,385,314.95, 1,073,262,523,801.10 and 256,077,512,381.48

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Solution

The fourth proportional to 715,561,385,314.95, 1,073,262,523,801.10 and 256,077,512,381.48 is: 384,087,798,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,561,385,314.95 : 1,073,262,523,801.10 = 256,077,512,381.48 : x
  2. Step 2: Convert to fraction form
    715,561,385,314.95/1,073,262,523,801.10 = 256,077,512,381.48/x
  3. Step 3: Cross multiply
    715,561,385,314.95x = 1,073,262,523,801.10 × 256,077,512,381.48
  4. Step 4: Simplify right side
    715,561,385,314.95x = 274,838,397,227,254,664,921,088
  5. Step 5: Solve for x
    x = 274,838,397,227,254,664,921,088/715,561,385,314.95
  6. Step 6: Final answer
    x = 384,087,798,569.91

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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.