Home / 705,031,332.80-1,057,546,999.20-657,255,588.80

Finding the Fourth Proportional to 705,031,332.80, 1,057,546,999.20 and 657,255,588.80

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Solution

The fourth proportional to 705,031,332.80, 1,057,546,999.20 and 657,255,588.80 is: 985,883,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,031,332.80 : 1,057,546,999.20 = 657,255,588.80 : x
  2. Step 2: Convert to fraction form
    705,031,332.80/1,057,546,999.20 = 657,255,588.80/x
  3. Step 3: Cross multiply
    705,031,332.80x = 1,057,546,999.20 × 657,255,588.80
  4. Step 4: Simplify right side
    705,031,332.80x = 695,078,675,642,869,120
  5. Step 5: Solve for x
    x = 695,078,675,642,869,120/705,031,332.80
  6. Step 6: Final answer
    x = 985,883,383.20

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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.