Home / 460,643,353.47-690,965,030.20-153,935,466.34

Finding the Fourth Proportional to 460,643,353.47, 690,965,030.20 and 153,935,466.34

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Solution

The fourth proportional to 460,643,353.47, 690,965,030.20 and 153,935,466.34 is: 230,903,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,353.47 : 690,965,030.20 = 153,935,466.34 : x
  2. Step 2: Convert to fraction form
    460,643,353.47/690,965,030.20 = 153,935,466.34/x
  3. Step 3: Cross multiply
    460,643,353.47x = 690,965,030.20 × 153,935,466.34
  4. Step 4: Simplify right side
    460,643,353.47x = 106,364,024,148,469,200
  5. Step 5: Solve for x
    x = 106,364,024,148,469,200/460,643,353.47
  6. Step 6: Final answer
    x = 230,903,199.51

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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.