Home / 646,569,310.80-969,853,966.20-283,772,254.80

Finding the Fourth Proportional to 646,569,310.80, 969,853,966.20 and 283,772,254.80

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Solution

The fourth proportional to 646,569,310.80, 969,853,966.20 and 283,772,254.80 is: 425,658,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,569,310.80 : 969,853,966.20 = 283,772,254.80 : x
  2. Step 2: Convert to fraction form
    646,569,310.80/969,853,966.20 = 283,772,254.80/x
  3. Step 3: Cross multiply
    646,569,310.80x = 969,853,966.20 × 283,772,254.80
  4. Step 4: Simplify right side
    646,569,310.80x = 275,217,646,815,297,024
  5. Step 5: Solve for x
    x = 275,217,646,815,297,024/646,569,310.80
  6. Step 6: Final answer
    x = 425,658,382.20

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Double scale
Find fourth proportional to 646,569,311.80, 969,853,967.70 and 283,772,255.80
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.