Home / 514,914,581.41-710,573,750.91-279,971,158.32

Finding the Fourth Proportional to 514,914,581.41, 710,573,750.91 and 279,971,158.32

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Solution

The fourth proportional to 514,914,581.41, 710,573,750.91 and 279,971,158.32 is: 386,355,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,914,581.41 : 710,573,750.91 = 279,971,158.32 : x
  2. Step 2: Convert to fraction form
    514,914,581.41/710,573,750.91 = 279,971,158.32/x
  3. Step 3: Cross multiply
    514,914,581.41x = 710,573,750.91 × 279,971,158.32
  4. Step 4: Simplify right side
    514,914,581.41x = 198,940,156,114,059,840
  5. Step 5: Solve for x
    x = 198,940,156,114,059,840/514,914,581.41
  6. Step 6: Final answer
    x = 386,355,646.74

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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.