Home / 866,316,130.88-1,299,472,175.39-569,061,397.78

Finding the Fourth Proportional to 866,316,130.88, 1,299,472,175.39 and 569,061,397.78

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Solution

The fourth proportional to 866,316,130.88, 1,299,472,175.39 and 569,061,397.78 is: 853,590,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,316,130.88 : 1,299,472,175.39 = 569,061,397.78 : x
  2. Step 2: Convert to fraction form
    866,316,130.88/1,299,472,175.39 = 569,061,397.78/x
  3. Step 3: Cross multiply
    866,316,130.88x = 1,299,472,175.39 × 569,061,397.78
  4. Step 4: Simplify right side
    866,316,130.88x = 739,479,452,502,814,720
  5. Step 5: Solve for x
    x = 739,479,452,502,814,720/866,316,130.88
  6. Step 6: Final answer
    x = 853,590,769.18

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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.