Home / 559,019,471.60-838,529,207.40-355,450,012.40

Finding the Fourth Proportional to 559,019,471.60, 838,529,207.40 and 355,450,012.40

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Solution

The fourth proportional to 559,019,471.60, 838,529,207.40 and 355,450,012.40 is: 533,175,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,019,471.60 : 838,529,207.40 = 355,450,012.40 : x
  2. Step 2: Convert to fraction form
    559,019,471.60/838,529,207.40 = 355,450,012.40/x
  3. Step 3: Cross multiply
    559,019,471.60x = 838,529,207.40 × 355,450,012.40
  4. Step 4: Simplify right side
    559,019,471.60x = 298,055,217,168,092,160
  5. Step 5: Solve for x
    x = 298,055,217,168,092,160/559,019,471.60
  6. Step 6: Final answer
    x = 533,175,018.60

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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.