Home / 518,323,165.03-777,484,747.54-503,974,258.03

Finding the Fourth Proportional to 518,323,165.03, 777,484,747.54 and 503,974,258.03

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Solution

The fourth proportional to 518,323,165.03, 777,484,747.54 and 503,974,258.03 is: 755,961,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,323,165.03 : 777,484,747.54 = 503,974,258.03 : x
  2. Step 2: Convert to fraction form
    518,323,165.03/777,484,747.54 = 503,974,258.03/x
  3. Step 3: Cross multiply
    518,323,165.03x = 777,484,747.54 × 503,974,258.03
  4. Step 4: Simplify right side
    518,323,165.03x = 391,832,298,767,225,920
  5. Step 5: Solve for x
    x = 391,832,298,767,225,920/518,323,165.03
  6. Step 6: Final answer
    x = 755,961,387.04

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Double scale
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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.