Home / 963,078,261.80-1,329,129,969.18-545,464,838.12

Finding the Fourth Proportional to 963,078,261.80, 1,329,129,969.18 and 545,464,838.12

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Solution

The fourth proportional to 963,078,261.80, 1,329,129,969.18 and 545,464,838.12 is: 752,787,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,078,261.80 : 1,329,129,969.18 = 545,464,838.12 : x
  2. Step 2: Convert to fraction form
    963,078,261.80/1,329,129,969.18 = 545,464,838.12/x
  3. Step 3: Cross multiply
    963,078,261.80x = 1,329,129,969.18 × 545,464,838.12
  4. Step 4: Simplify right side
    963,078,261.80x = 724,993,663,479,209,344
  5. Step 5: Solve for x
    x = 724,993,663,479,209,344/963,078,261.80
  6. Step 6: Final answer
    x = 752,787,901.29

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1.5x scale

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.