Home / 756,618,397.38-1,044,132,916.77-408,937,885.38

Finding the Fourth Proportional to 756,618,397.38, 1,044,132,916.77 and 408,937,885.38

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Solution

The fourth proportional to 756,618,397.38, 1,044,132,916.77 and 408,937,885.38 is: 564,334,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,618,397.38 : 1,044,132,916.77 = 408,937,885.38 : x
  2. Step 2: Convert to fraction form
    756,618,397.38/1,044,132,916.77 = 408,937,885.38/x
  3. Step 3: Cross multiply
    756,618,397.38x = 1,044,132,916.77 × 408,937,885.38
  4. Step 4: Simplify right side
    756,618,397.38x = 426,985,507,039,575,296
  5. Step 5: Solve for x
    x = 426,985,507,039,575,296/756,618,397.38
  6. Step 6: Final answer
    x = 564,334,026.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.