Home / 776,927,353.20-1,165,391,029.80-532,039,340.40

Finding the Fourth Proportional to 776,927,353.20, 1,165,391,029.80 and 532,039,340.40

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Solution

The fourth proportional to 776,927,353.20, 1,165,391,029.80 and 532,039,340.40 is: 798,059,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,927,353.20 : 1,165,391,029.80 = 532,039,340.40 : x
  2. Step 2: Convert to fraction form
    776,927,353.20/1,165,391,029.80 = 532,039,340.40/x
  3. Step 3: Cross multiply
    776,927,353.20x = 1,165,391,029.80 × 532,039,340.40
  4. Step 4: Simplify right side
    776,927,353.20x = 620,033,874,802,868,736
  5. Step 5: Solve for x
    x = 620,033,874,802,868,736/776,927,353.20
  6. Step 6: Final answer
    x = 798,059,010.60

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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.