Home / 684,166,109.64-944,112,868.44-386,790,572.28

Finding the Fourth Proportional to 684,166,109.64, 944,112,868.44 and 386,790,572.28

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Solution

The fourth proportional to 684,166,109.64, 944,112,868.44 and 386,790,572.28 is: 533,750,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,166,109.64 : 944,112,868.44 = 386,790,572.28 : x
  2. Step 2: Convert to fraction form
    684,166,109.64/944,112,868.44 = 386,790,572.28/x
  3. Step 3: Cross multiply
    684,166,109.64x = 944,112,868.44 × 386,790,572.28
  4. Step 4: Simplify right side
    684,166,109.64x = 365,173,956,680,819,968
  5. Step 5: Solve for x
    x = 365,173,956,680,819,968/684,166,109.64
  6. Step 6: Final answer
    x = 533,750,432.15

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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.