Home / 1,074,304,146.80-1,611,456,220.20-297,948,306.80

Finding the Fourth Proportional to 1,074,304,146.80, 1,611,456,220.20 and 297,948,306.80

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Solution

The fourth proportional to 1,074,304,146.80, 1,611,456,220.20 and 297,948,306.80 is: 446,922,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,304,146.80 : 1,611,456,220.20 = 297,948,306.80 : x
  2. Step 2: Convert to fraction form
    1,074,304,146.80/1,611,456,220.20 = 297,948,306.80/x
  3. Step 3: Cross multiply
    1,074,304,146.80x = 1,611,456,220.20 × 297,948,306.80
  4. Step 4: Simplify right side
    1,074,304,146.80x = 480,130,652,290,918,016
  5. Step 5: Solve for x
    x = 480,130,652,290,918,016/1,074,304,146.80
  6. Step 6: Final answer
    x = 446,922,460.20

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Half scale
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Double scale
Find fourth proportional to 1,074,304,147.80, 1,611,456,221.70 and 297,948,307.80
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.