Home / 256,448,005,461.46-384,731,105,320.74-88,755,470,146.90

Finding the Fourth Proportional to 256,448,005,461.46, 384,731,105,320.74 and 88,755,470,146.90

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Solution

The fourth proportional to 256,448,005,461.46, 384,731,105,320.74 and 88,755,470,146.90 is: 133,153,658,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,448,005,461.46 : 384,731,105,320.74 = 88,755,470,146.90 : x
  2. Step 2: Convert to fraction form
    256,448,005,461.46/384,731,105,320.74 = 88,755,470,146.90/x
  3. Step 3: Cross multiply
    256,448,005,461.46x = 384,731,105,320.74 × 88,755,470,146.90
  4. Step 4: Simplify right side
    256,448,005,461.46x = 34,146,990,132,878,777,516,032
  5. Step 5: Solve for x
    x = 34,146,990,132,878,777,516,032/256,448,005,461.46
  6. Step 6: Final answer
    x = 133,153,658,463.57

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1.5x scale

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.