Home / 460,215,664.36-690,326,077.20-153,506,935.24

Finding the Fourth Proportional to 460,215,664.36, 690,326,077.20 and 153,506,935.24

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Solution

The fourth proportional to 460,215,664.36, 690,326,077.20 and 153,506,935.24 is: 230,261,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,215,664.36 : 690,326,077.20 = 153,506,935.24 : x
  2. Step 2: Convert to fraction form
    460,215,664.36/690,326,077.20 = 153,506,935.24/x
  3. Step 3: Cross multiply
    460,215,664.36x = 690,326,077.20 × 153,506,935.24
  4. Step 4: Simplify right side
    460,215,664.36x = 105,969,840,427,223,648
  5. Step 5: Solve for x
    x = 105,969,840,427,223,648/460,215,664.36
  6. Step 6: Final answer
    x = 230,261,263.65

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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.