Home / 887,433,713.80-1,328,599,653.90-543,059,945.80

Finding the Fourth Proportional to 887,433,713.80, 1,328,599,653.90 and 543,059,945.80

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Solution

The fourth proportional to 887,433,713.80, 1,328,599,653.90 and 543,059,945.80 is: 813,028,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,433,713.80 : 1,328,599,653.90 = 543,059,945.80 : x
  2. Step 2: Convert to fraction form
    887,433,713.80/1,328,599,653.90 = 543,059,945.80/x
  3. Step 3: Cross multiply
    887,433,713.80x = 1,328,599,653.90 × 543,059,945.80
  4. Step 4: Simplify right side
    887,433,713.80x = 721,509,256,036,832,768
  5. Step 5: Solve for x
    x = 721,509,256,036,832,768/887,433,713.80
  6. Step 6: Final answer
    x = 813,028,899.87

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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.