Home / 1,010,564,455.80-1,515,704,966.10-320,541,461.40

Finding the Fourth Proportional to 1,010,564,455.80, 1,515,704,966.10 and 320,541,461.40

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Solution

The fourth proportional to 1,010,564,455.80, 1,515,704,966.10 and 320,541,461.40 is: 480,767,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,564,455.80 : 1,515,704,966.10 = 320,541,461.40 : x
  2. Step 2: Convert to fraction form
    1,010,564,455.80/1,515,704,966.10 = 320,541,461.40/x
  3. Step 3: Cross multiply
    1,010,564,455.80x = 1,515,704,966.10 × 320,541,461.40
  4. Step 4: Simplify right side
    1,010,564,455.80x = 485,846,284,884,931,392
  5. Step 5: Solve for x
    x = 485,846,284,884,931,392/1,010,564,455.80
  6. Step 6: Final answer
    x = 480,767,240.62

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Double scale
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1.5x scale

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.