Home / 286,897,301.70-430,345,938.15-272,957,611.14

Finding the Fourth Proportional to 286,897,301.70, 430,345,938.15 and 272,957,611.14

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Solution

The fourth proportional to 286,897,301.70, 430,345,938.15 and 272,957,611.14 is: 409,436,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,897,301.70 : 430,345,938.15 = 272,957,611.14 : x
  2. Step 2: Convert to fraction form
    286,897,301.70/430,345,938.15 = 272,957,611.14/x
  3. Step 3: Cross multiply
    286,897,301.70x = 430,345,938.15 × 272,957,611.14
  4. Step 4: Simplify right side
    286,897,301.70x = 117,466,199,241,226,176
  5. Step 5: Solve for x
    x = 117,466,199,241,226,176/286,897,301.70
  6. Step 6: Final answer
    x = 409,436,403.01

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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.