Home / 1,487,655,973.83-2,231,483,628.60-542,324,931.84

Finding the Fourth Proportional to 1,487,655,973.83, 2,231,483,628.60 and 542,324,931.84

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Solution

The fourth proportional to 1,487,655,973.83, 2,231,483,628.60 and 542,324,931.84 is: 813,487,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,655,973.83 : 2,231,483,628.60 = 542,324,931.84 : x
  2. Step 2: Convert to fraction form
    1,487,655,973.83/2,231,483,628.60 = 542,324,931.84/x
  3. Step 3: Cross multiply
    1,487,655,973.83x = 2,231,483,628.60 × 542,324,931.84
  4. Step 4: Simplify right side
    1,487,655,973.83x = 1,210,189,206,782,571,008
  5. Step 5: Solve for x
    x = 1,210,189,206,782,571,008/1,487,655,973.83
  6. Step 6: Final answer
    x = 813,487,276.68

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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.