Home / 460,643,348.46-690,965,022.69-153,935,461.35

Finding the Fourth Proportional to 460,643,348.46, 690,965,022.69 and 153,935,461.35

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Solution

The fourth proportional to 460,643,348.46, 690,965,022.69 and 153,935,461.35 is: 230,903,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,348.46 : 690,965,022.69 = 153,935,461.35 : x
  2. Step 2: Convert to fraction form
    460,643,348.46/690,965,022.69 = 153,935,461.35/x
  3. Step 3: Cross multiply
    460,643,348.46x = 690,965,022.69 × 153,935,461.35
  4. Step 4: Simplify right side
    460,643,348.46x = 106,364,019,544,498,368
  5. Step 5: Solve for x
    x = 106,364,019,544,498,368/460,643,348.46
  6. Step 6: Final answer
    x = 230,903,192.03

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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.