Home / 256,411,398.76-353,865,688.22-144,912,544.13

Finding the Fourth Proportional to 256,411,398.76, 353,865,688.22 and 144,912,544.13

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Solution

The fourth proportional to 256,411,398.76, 353,865,688.22 and 144,912,544.13 is: 199,989,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,411,398.76 : 353,865,688.22 = 144,912,544.13 : x
  2. Step 2: Convert to fraction form
    256,411,398.76/353,865,688.22 = 144,912,544.13/x
  3. Step 3: Cross multiply
    256,411,398.76x = 353,865,688.22 × 144,912,544.13
  4. Step 4: Simplify right side
    256,411,398.76x = 51,279,577,161,520,520
  5. Step 5: Solve for x
    x = 51,279,577,161,520,520/256,411,398.76
  6. Step 6: Final answer
    x = 199,989,459.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.