Home / 840,492,773.64-1,159,867,920.20-464,165,284.91

Finding the Fourth Proportional to 840,492,773.64, 1,159,867,920.20 and 464,165,284.91

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Solution

The fourth proportional to 840,492,773.64, 1,159,867,920.20 and 464,165,284.91 is: 640,541,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,492,773.64 : 1,159,867,920.20 = 464,165,284.91 : x
  2. Step 2: Convert to fraction form
    840,492,773.64/1,159,867,920.20 = 464,165,284.91/x
  3. Step 3: Cross multiply
    840,492,773.64x = 1,159,867,920.20 × 464,165,284.91
  4. Step 4: Simplify right side
    840,492,773.64x = 538,370,423,629,481,920
  5. Step 5: Solve for x
    x = 538,370,423,629,481,920/840,492,773.64
  6. Step 6: Final answer
    x = 640,541,406.80

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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.