Home / 1,411,721,001.70-2,117,504,869.84-429,070,927.18

Finding the Fourth Proportional to 1,411,721,001.70, 2,117,504,869.84 and 429,070,927.18

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Solution

The fourth proportional to 1,411,721,001.70, 2,117,504,869.84 and 429,070,927.18 is: 643,583,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,721,001.70 : 2,117,504,869.84 = 429,070,927.18 : x
  2. Step 2: Convert to fraction form
    1,411,721,001.70/2,117,504,869.84 = 429,070,927.18/x
  3. Step 3: Cross multiply
    1,411,721,001.70x = 2,117,504,869.84 × 429,070,927.18
  4. Step 4: Simplify right side
    1,411,721,001.70x = 908,559,777,810,413,952
  5. Step 5: Solve for x
    x = 908,559,777,810,413,952/1,411,721,001.70
  6. Step 6: Final answer
    x = 643,583,099.43

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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.