Home / 474,260,657.50-654,479,707.35-257,205,425.50

Finding the Fourth Proportional to 474,260,657.50, 654,479,707.35 and 257,205,425.50

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Solution

The fourth proportional to 474,260,657.50, 654,479,707.35 and 257,205,425.50 is: 354,943,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,260,657.50 : 654,479,707.35 = 257,205,425.50 : x
  2. Step 2: Convert to fraction form
    474,260,657.50/654,479,707.35 = 257,205,425.50/x
  3. Step 3: Cross multiply
    474,260,657.50x = 654,479,707.35 × 257,205,425.50
  4. Step 4: Simplify right side
    474,260,657.50x = 168,335,731,610,072,224
  5. Step 5: Solve for x
    x = 168,335,731,610,072,224/474,260,657.50
  6. Step 6: Final answer
    x = 354,943,487.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.