Home / 783,099,451.35-1,080,655,677.56-430,675,570.23

Finding the Fourth Proportional to 783,099,451.35, 1,080,655,677.56 and 430,675,570.23

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Solution

The fourth proportional to 783,099,451.35, 1,080,655,677.56 and 430,675,570.23 is: 594,320,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,099,451.35 : 1,080,655,677.56 = 430,675,570.23 : x
  2. Step 2: Convert to fraction form
    783,099,451.35/1,080,655,677.56 = 430,675,570.23/x
  3. Step 3: Cross multiply
    783,099,451.35x = 1,080,655,677.56 × 430,675,570.23
  4. Step 4: Simplify right side
    783,099,451.35x = 465,412,000,153,286,656
  5. Step 5: Solve for x
    x = 465,412,000,153,286,656/783,099,451.35
  6. Step 6: Final answer
    x = 594,320,426.80

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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.