Home / 869,547,796.98-1,199,981,178.36-473,073,630.72

Finding the Fourth Proportional to 869,547,796.98, 1,199,981,178.36 and 473,073,630.72

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Solution

The fourth proportional to 869,547,796.98, 1,199,981,178.36 and 473,073,630.72 is: 652,844,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,547,796.98 : 1,199,981,178.36 = 473,073,630.72 : x
  2. Step 2: Convert to fraction form
    869,547,796.98/1,199,981,178.36 = 473,073,630.72/x
  3. Step 3: Cross multiply
    869,547,796.98x = 1,199,981,178.36 × 473,073,630.72
  4. Step 4: Simplify right side
    869,547,796.98x = 567,679,452,842,429,056
  5. Step 5: Solve for x
    x = 567,679,452,842,429,056/869,547,796.98
  6. Step 6: Final answer
    x = 652,844,449.51

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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.