Home / 521,459,460.60-781,293,395.70-248,241,924.60

Finding the Fourth Proportional to 521,459,460.60, 781,293,395.70 and 248,241,924.60

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Solution

The fourth proportional to 521,459,460.60, 781,293,395.70 and 248,241,924.60 is: 371,936,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,459,460.60 : 781,293,395.70 = 248,241,924.60 : x
  2. Step 2: Convert to fraction form
    521,459,460.60/781,293,395.70 = 248,241,924.60/x
  3. Step 3: Cross multiply
    521,459,460.60x = 781,293,395.70 × 248,241,924.60
  4. Step 4: Simplify right side
    521,459,460.60x = 193,949,776,225,837,376
  5. Step 5: Solve for x
    x = 193,949,776,225,837,376/521,459,460.60
  6. Step 6: Final answer
    x = 371,936,441.62

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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.