Home / 537,120,087.60-805,680,131.40-429,624,663.60

Finding the Fourth Proportional to 537,120,087.60, 805,680,131.40 and 429,624,663.60

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Solution

The fourth proportional to 537,120,087.60, 805,680,131.40 and 429,624,663.60 is: 644,436,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,120,087.60 : 805,680,131.40 = 429,624,663.60 : x
  2. Step 2: Convert to fraction form
    537,120,087.60/805,680,131.40 = 429,624,663.60/x
  3. Step 3: Cross multiply
    537,120,087.60x = 805,680,131.40 × 429,624,663.60
  4. Step 4: Simplify right side
    537,120,087.60x = 346,140,055,421,928,832
  5. Step 5: Solve for x
    x = 346,140,055,421,928,832/537,120,087.60
  6. Step 6: Final answer
    x = 644,436,995.40

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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.