Home / 851,796,139.60-1,277,694,209.40-560,991,624.40

Finding the Fourth Proportional to 851,796,139.60, 1,277,694,209.40 and 560,991,624.40

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Solution

The fourth proportional to 851,796,139.60, 1,277,694,209.40 and 560,991,624.40 is: 841,487,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,796,139.60 : 1,277,694,209.40 = 560,991,624.40 : x
  2. Step 2: Convert to fraction form
    851,796,139.60/1,277,694,209.40 = 560,991,624.40/x
  3. Step 3: Cross multiply
    851,796,139.60x = 1,277,694,209.40 × 560,991,624.40
  4. Step 4: Simplify right side
    851,796,139.60x = 716,775,750,017,779,712
  5. Step 5: Solve for x
    x = 716,775,750,017,779,712/851,796,139.60
  6. Step 6: Final answer
    x = 841,487,436.60

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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.