Home / 852,984,130.40-1,279,476,195.60-698,015,934.80

Finding the Fourth Proportional to 852,984,130.40, 1,279,476,195.60 and 698,015,934.80

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Solution

The fourth proportional to 852,984,130.40, 1,279,476,195.60 and 698,015,934.80 is: 1,047,023,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,984,130.40 : 1,279,476,195.60 = 698,015,934.80 : x
  2. Step 2: Convert to fraction form
    852,984,130.40/1,279,476,195.60 = 698,015,934.80/x
  3. Step 3: Cross multiply
    852,984,130.40x = 1,279,476,195.60 × 698,015,934.80
  4. Step 4: Simplify right side
    852,984,130.40x = 893,094,772,726,081,536
  5. Step 5: Solve for x
    x = 893,094,772,726,081,536/852,984,130.40
  6. Step 6: Final answer
    x = 1,047,023,902.20

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Double scale
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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.