Home / 502,733,543.11-754,128,639.02-152,990,985.35

Finding the Fourth Proportional to 502,733,543.11, 754,128,639.02 and 152,990,985.35

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Solution

The fourth proportional to 502,733,543.11, 754,128,639.02 and 152,990,985.35 is: 229,495,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,733,543.11 : 754,128,639.02 = 152,990,985.35 : x
  2. Step 2: Convert to fraction form
    502,733,543.11/754,128,639.02 = 152,990,985.35/x
  3. Step 3: Cross multiply
    502,733,543.11x = 754,128,639.02 × 152,990,985.35
  4. Step 4: Simplify right side
    502,733,543.11x = 115,374,883,566,592,064
  5. Step 5: Solve for x
    x = 115,374,883,566,592,064/502,733,543.11
  6. Step 6: Final answer
    x = 229,495,097.65

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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.