Home / 1,259,715,008.20-1,889,572,512.30-614,742,464.20

Finding the Fourth Proportional to 1,259,715,008.20, 1,889,572,512.30 and 614,742,464.20

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Solution

The fourth proportional to 1,259,715,008.20, 1,889,572,512.30 and 614,742,464.20 is: 922,113,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,715,008.20 : 1,889,572,512.30 = 614,742,464.20 : x
  2. Step 2: Convert to fraction form
    1,259,715,008.20/1,889,572,512.30 = 614,742,464.20/x
  3. Step 3: Cross multiply
    1,259,715,008.20x = 1,889,572,512.30 × 614,742,464.20
  4. Step 4: Simplify right side
    1,259,715,008.20x = 1,161,600,462,495,886,848
  5. Step 5: Solve for x
    x = 1,161,600,462,495,886,848/1,259,715,008.20
  6. Step 6: Final answer
    x = 922,113,696.30

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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.