Home / 1,259,715,023.20-1,889,572,534.80-614,742,479.20

Finding the Fourth Proportional to 1,259,715,023.20, 1,889,572,534.80 and 614,742,479.20

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Solution

The fourth proportional to 1,259,715,023.20, 1,889,572,534.80 and 614,742,479.20 is: 922,113,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,023.20 : 1,889,572,534.80 = 614,742,479.20 : x
  2. Step 2: Convert to fraction form
    1,259,715,023.20/1,889,572,534.80 = 614,742,479.20/x
  3. Step 3: Cross multiply
    1,259,715,023.20x = 1,889,572,534.80 × 614,742,479.20
  4. Step 4: Simplify right side
    1,259,715,023.20x = 1,161,600,504,671,180,288
  5. Step 5: Solve for x
    x = 1,161,600,504,671,180,288/1,259,715,023.20
  6. Step 6: Final answer
    x = 922,113,718.80

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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.