Home / 840,492,800.64-1,159,867,957.44-464,165,311.92

Finding the Fourth Proportional to 840,492,800.64, 1,159,867,957.44 and 464,165,311.92

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Solution

The fourth proportional to 840,492,800.64, 1,159,867,957.44 and 464,165,311.92 is: 640,541,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,492,800.64 : 1,159,867,957.44 = 464,165,311.92 : x
  2. Step 2: Convert to fraction form
    840,492,800.64/1,159,867,957.44 = 464,165,311.92/x
  3. Step 3: Cross multiply
    840,492,800.64x = 1,159,867,957.44 × 464,165,311.92
  4. Step 4: Simplify right side
    840,492,800.64x = 538,370,472,251,150,912
  5. Step 5: Solve for x
    x = 538,370,472,251,150,912/840,492,800.64
  6. Step 6: Final answer
    x = 640,541,444.07

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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.