Home / 498,897,381.96-688,482,841.98-275,894,153.28

Finding the Fourth Proportional to 498,897,381.96, 688,482,841.98 and 275,894,153.28

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Solution

The fourth proportional to 498,897,381.96, 688,482,841.98 and 275,894,153.28 is: 380,736,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,897,381.96 : 688,482,841.98 = 275,894,153.28 : x
  2. Step 2: Convert to fraction form
    498,897,381.96/688,482,841.98 = 275,894,153.28/x
  3. Step 3: Cross multiply
    498,897,381.96x = 688,482,841.98 × 275,894,153.28
  4. Step 4: Simplify right side
    498,897,381.96x = 189,948,390,735,880,128
  5. Step 5: Solve for x
    x = 189,948,390,735,880,128/498,897,381.96
  6. Step 6: Final answer
    x = 380,736,395.11

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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.