Home / 371,717,389.90-557,639,607.66-153,248,305.66

Finding the Fourth Proportional to 371,717,389.90, 557,639,607.66 and 153,248,305.66

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Solution

The fourth proportional to 371,717,389.90, 557,639,607.66 and 153,248,305.66 is: 229,898,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,717,389.90 : 557,639,607.66 = 153,248,305.66 : x
  2. Step 2: Convert to fraction form
    371,717,389.90/557,639,607.66 = 153,248,305.66/x
  3. Step 3: Cross multiply
    371,717,389.90x = 557,639,607.66 × 153,248,305.66
  4. Step 4: Simplify right side
    371,717,389.90x = 85,457,325,040,833,376
  5. Step 5: Solve for x
    x = 85,457,325,040,833,376/371,717,389.90
  6. Step 6: Final answer
    x = 229,898,647.10

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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.