Home / 572,287,389.10-858,431,083.65-141,465,885.10

Finding the Fourth Proportional to 572,287,389.10, 858,431,083.65 and 141,465,885.10

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Solution

The fourth proportional to 572,287,389.10, 858,431,083.65 and 141,465,885.10 is: 212,198,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,287,389.10 : 858,431,083.65 = 141,465,885.10 : x
  2. Step 2: Convert to fraction form
    572,287,389.10/858,431,083.65 = 141,465,885.10/x
  3. Step 3: Cross multiply
    572,287,389.10x = 858,431,083.65 × 141,465,885.10
  4. Step 4: Simplify right side
    572,287,389.10x = 121,438,713,045,899,376
  5. Step 5: Solve for x
    x = 121,438,713,045,899,376/572,287,389.10
  6. Step 6: Final answer
    x = 212,198,827.65

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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.