Home / 885,736,028.70-1,328,604,043.05-656,153,516.70

Finding the Fourth Proportional to 885,736,028.70, 1,328,604,043.05 and 656,153,516.70

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Solution

The fourth proportional to 885,736,028.70, 1,328,604,043.05 and 656,153,516.70 is: 984,230,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,028.70 : 1,328,604,043.05 = 656,153,516.70 : x
  2. Step 2: Convert to fraction form
    885,736,028.70/1,328,604,043.05 = 656,153,516.70/x
  3. Step 3: Cross multiply
    885,736,028.70x = 1,328,604,043.05 × 656,153,516.70
  4. Step 4: Simplify right side
    885,736,028.70x = 871,768,215,149,095,680
  5. Step 5: Solve for x
    x = 871,768,215,149,095,680/885,736,028.70
  6. Step 6: Final answer
    x = 984,230,275.05

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Double scale
Find fourth proportional to 885,736,029.70, 1,328,604,044.55 and 656,153,517.70
Similar ratio
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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.