Home / 840,492,782.64-1,159,867,932.62-464,165,293.91

Finding the Fourth Proportional to 840,492,782.64, 1,159,867,932.62 and 464,165,293.91

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Solution

The fourth proportional to 840,492,782.64, 1,159,867,932.62 and 464,165,293.91 is: 640,541,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,492,782.64 : 1,159,867,932.62 = 464,165,293.91 : x
  2. Step 2: Convert to fraction form
    840,492,782.64/1,159,867,932.62 = 464,165,293.91/x
  3. Step 3: Cross multiply
    840,492,782.64x = 1,159,867,932.62 × 464,165,293.91
  4. Step 4: Simplify right side
    840,492,782.64x = 538,370,439,833,226,176
  5. Step 5: Solve for x
    x = 538,370,439,833,226,176/840,492,782.64
  6. Step 6: Final answer
    x = 640,541,419.22

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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.