Home / 534,679,963.40-802,019,945.10-351,013,953.80

Finding the Fourth Proportional to 534,679,963.40, 802,019,945.10 and 351,013,953.80

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Solution

The fourth proportional to 534,679,963.40, 802,019,945.10 and 351,013,953.80 is: 526,520,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,679,963.40 : 802,019,945.10 = 351,013,953.80 : x
  2. Step 2: Convert to fraction form
    534,679,963.40/802,019,945.10 = 351,013,953.80/x
  3. Step 3: Cross multiply
    534,679,963.40x = 802,019,945.10 × 351,013,953.80
  4. Step 4: Simplify right side
    534,679,963.40x = 281,520,191,956,009,952
  5. Step 5: Solve for x
    x = 281,520,191,956,009,952/534,679,963.40
  6. Step 6: Final answer
    x = 526,520,930.70

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Double scale
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1.5x scale

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.