Home / 1,411,721,000.70-2,117,504,868.34-429,070,926.18

Finding the Fourth Proportional to 1,411,721,000.70, 2,117,504,868.34 and 429,070,926.18

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Solution

The fourth proportional to 1,411,721,000.70, 2,117,504,868.34 and 429,070,926.18 is: 643,583,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,721,000.70 : 2,117,504,868.34 = 429,070,926.18 : x
  2. Step 2: Convert to fraction form
    1,411,721,000.70/2,117,504,868.34 = 429,070,926.18/x
  3. Step 3: Cross multiply
    1,411,721,000.70x = 2,117,504,868.34 × 429,070,926.18
  4. Step 4: Simplify right side
    1,411,721,000.70x = 908,559,775,049,302,784
  5. Step 5: Solve for x
    x = 908,559,775,049,302,784/1,411,721,000.70
  6. Step 6: Final answer
    x = 643,583,097.93

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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.