Home / 963,431,386.56-1,329,544,631.52-523,401,387.84

Finding the Fourth Proportional to 963,431,386.56, 1,329,544,631.52 and 523,401,387.84

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Solution

The fourth proportional to 963,431,386.56, 1,329,544,631.52 and 523,401,387.84 is: 722,298,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,431,386.56 : 1,329,544,631.52 = 523,401,387.84 : x
  2. Step 2: Convert to fraction form
    963,431,386.56/1,329,544,631.52 = 523,401,387.84/x
  3. Step 3: Cross multiply
    963,431,386.56x = 1,329,544,631.52 × 523,401,387.84
  4. Step 4: Simplify right side
    963,431,386.56x = 695,885,505,332,789,376
  5. Step 5: Solve for x
    x = 695,885,505,332,789,376/963,431,386.56
  6. Step 6: Final answer
    x = 722,298,977.43

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Double scale
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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.