Home / 927,206,646.80-1,390,809,970.20-559,874,627.60

Finding the Fourth Proportional to 927,206,646.80, 1,390,809,970.20 and 559,874,627.60

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Solution

The fourth proportional to 927,206,646.80, 1,390,809,970.20 and 559,874,627.60 is: 839,811,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,206,646.80 : 1,390,809,970.20 = 559,874,627.60 : x
  2. Step 2: Convert to fraction form
    927,206,646.80/1,390,809,970.20 = 559,874,627.60/x
  3. Step 3: Cross multiply
    927,206,646.80x = 1,390,809,970.20 × 559,874,627.60
  4. Step 4: Simplify right side
    927,206,646.80x = 778,679,214,128,092,160
  5. Step 5: Solve for x
    x = 778,679,214,128,092,160/927,206,646.80
  6. Step 6: Final answer
    x = 839,811,941.40

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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.