Home / 249,728,430.30-374,592,645.45-245,423,758.20

Finding the Fourth Proportional to 249,728,430.30, 374,592,645.45 and 245,423,758.20

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Solution

The fourth proportional to 249,728,430.30, 374,592,645.45 and 245,423,758.20 is: 368,135,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728,430.30 : 374,592,645.45 = 245,423,758.20 : x
  2. Step 2: Convert to fraction form
    249,728,430.30/374,592,645.45 = 245,423,758.20/x
  3. Step 3: Cross multiply
    249,728,430.30x = 374,592,645.45 × 245,423,758.20
  4. Step 4: Simplify right side
    249,728,430.30x = 91,933,934,840,419,120
  5. Step 5: Solve for x
    x = 91,933,934,840,419,120/249,728,430.30
  6. Step 6: Final answer
    x = 368,135,637.30

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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.