Home / 295,272,430.30-442,908,645.45-247,921,037.20

Finding the Fourth Proportional to 295,272,430.30, 442,908,645.45 and 247,921,037.20

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Solution

The fourth proportional to 295,272,430.30, 442,908,645.45 and 247,921,037.20 is: 371,881,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,272,430.30 : 442,908,645.45 = 247,921,037.20 : x
  2. Step 2: Convert to fraction form
    295,272,430.30/442,908,645.45 = 247,921,037.20/x
  3. Step 3: Cross multiply
    295,272,430.30x = 442,908,645.45 × 247,921,037.20
  4. Step 4: Simplify right side
    295,272,430.30x = 109,806,370,764,811,056
  5. Step 5: Solve for x
    x = 109,806,370,764,811,056/295,272,430.30
  6. Step 6: Final answer
    x = 371,881,555.80

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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.