Home / 514,945,706.40-710,620,118.28-279,996,454.08

Finding the Fourth Proportional to 514,945,706.40, 710,620,118.28 and 279,996,454.08

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Solution

The fourth proportional to 514,945,706.40, 710,620,118.28 and 279,996,454.08 is: 386,392,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,945,706.40 : 710,620,118.28 = 279,996,454.08 : x
  2. Step 2: Convert to fraction form
    514,945,706.40/710,620,118.28 = 279,996,454.08/x
  3. Step 3: Cross multiply
    514,945,706.40x = 710,620,118.28 × 279,996,454.08
  4. Step 4: Simplify right side
    514,945,706.40x = 198,971,113,316,310,176
  5. Step 5: Solve for x
    x = 198,971,113,316,310,176/514,945,706.40
  6. Step 6: Final answer
    x = 386,392,411.56

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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.