Home / 945,648,020.40-1,418,472,030.60-580,959,841.20

Finding the Fourth Proportional to 945,648,020.40, 1,418,472,030.60 and 580,959,841.20

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Solution

The fourth proportional to 945,648,020.40, 1,418,472,030.60 and 580,959,841.20 is: 871,439,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,648,020.40 : 1,418,472,030.60 = 580,959,841.20 : x
  2. Step 2: Convert to fraction form
    945,648,020.40/1,418,472,030.60 = 580,959,841.20/x
  3. Step 3: Cross multiply
    945,648,020.40x = 1,418,472,030.60 × 580,959,841.20
  4. Step 4: Simplify right side
    945,648,020.40x = 824,075,285,644,017,536
  5. Step 5: Solve for x
    x = 824,075,285,644,017,536/945,648,020.40
  6. Step 6: Final answer
    x = 871,439,761.80

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Double scale
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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.