Home / 1,019,249,974.80-1,528,874,962.20-559,010,307.60

Finding the Fourth Proportional to 1,019,249,974.80, 1,528,874,962.20 and 559,010,307.60

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Solution

The fourth proportional to 1,019,249,974.80, 1,528,874,962.20 and 559,010,307.60 is: 838,515,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,249,974.80 : 1,528,874,962.20 = 559,010,307.60 : x
  2. Step 2: Convert to fraction form
    1,019,249,974.80/1,528,874,962.20 = 559,010,307.60/x
  3. Step 3: Cross multiply
    1,019,249,974.80x = 1,528,874,962.20 × 559,010,307.60
  4. Step 4: Simplify right side
    1,019,249,974.80x = 854,656,862,901,360,384
  5. Step 5: Solve for x
    x = 854,656,862,901,360,384/1,019,249,974.80
  6. Step 6: Final answer
    x = 838,515,461.40

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Half scale
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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.