Home / 749,628,487.68-1,034,480,102.40-431,972,027.52

Finding the Fourth Proportional to 749,628,487.68, 1,034,480,102.40 and 431,972,027.52

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Solution

The fourth proportional to 749,628,487.68, 1,034,480,102.40 and 431,972,027.52 is: 596,117,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,628,487.68 : 1,034,480,102.40 = 431,972,027.52 : x
  2. Step 2: Convert to fraction form
    749,628,487.68/1,034,480,102.40 = 431,972,027.52/x
  3. Step 3: Cross multiply
    749,628,487.68x = 1,034,480,102.40 × 431,972,027.52
  4. Step 4: Simplify right side
    749,628,487.68x = 446,866,467,262,825,216
  5. Step 5: Solve for x
    x = 446,866,467,262,825,216/749,628,487.68
  6. Step 6: Final answer
    x = 596,117,242.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.