Home / 1,942,859,415.60-2,913,281,353.80-715,396,042.80

Finding the Fourth Proportional to 1,942,859,415.60, 2,913,281,353.80 and 715,396,042.80

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Solution

The fourth proportional to 1,942,859,415.60, 2,913,281,353.80 and 715,396,042.80 is: 1,072,722,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,859,415.60 : 2,913,281,353.80 = 715,396,042.80 : x
  2. Step 2: Convert to fraction form
    1,942,859,415.60/2,913,281,353.80 = 715,396,042.80/x
  3. Step 3: Cross multiply
    1,942,859,415.60x = 2,913,281,353.80 × 715,396,042.80
  4. Step 4: Simplify right side
    1,942,859,415.60x = 2,084,149,952,071,546,624
  5. Step 5: Solve for x
    x = 2,084,149,952,071,546,624/1,942,859,415.60
  6. Step 6: Final answer
    x = 1,072,722,985.17

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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.