Home / 963,247,869.50-1,329,392,332.50-539,975,851.22

Finding the Fourth Proportional to 963,247,869.50, 1,329,392,332.50 and 539,975,851.22

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Solution

The fourth proportional to 963,247,869.50, 1,329,392,332.50 and 539,975,851.22 is: 745,228,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,247,869.50 : 1,329,392,332.50 = 539,975,851.22 : x
  2. Step 2: Convert to fraction form
    963,247,869.50/1,329,392,332.50 = 539,975,851.22/x
  3. Step 3: Cross multiply
    963,247,869.50x = 1,329,392,332.50 × 539,975,851.22
  4. Step 4: Simplify right side
    963,247,869.50x = 717,839,756,347,028,864
  5. Step 5: Solve for x
    x = 717,839,756,347,028,864/963,247,869.50
  6. Step 6: Final answer
    x = 745,228,491.10

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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.