Home / 305,447,934.60-457,668,017.10-260,098,302.60

Finding the Fourth Proportional to 305,447,934.60, 457,668,017.10 and 260,098,302.60

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Solution

The fourth proportional to 305,447,934.60, 457,668,017.10 and 260,098,302.60 is: 389,718,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,447,934.60 : 457,668,017.10 = 260,098,302.60 : x
  2. Step 2: Convert to fraction form
    305,447,934.60/457,668,017.10 = 260,098,302.60/x
  3. Step 3: Cross multiply
    305,447,934.60x = 457,668,017.10 × 260,098,302.60
  4. Step 4: Simplify right side
    305,447,934.60x = 119,038,674,402,017,776
  5. Step 5: Solve for x
    x = 119,038,674,402,017,776/305,447,934.60
  6. Step 6: Final answer
    x = 389,718,380.51

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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.