Home / 460,643,369.38-690,965,054.10-153,935,482.25

Finding the Fourth Proportional to 460,643,369.38, 690,965,054.10 and 153,935,482.25

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Solution

The fourth proportional to 460,643,369.38, 690,965,054.10 and 153,935,482.25 is: 230,903,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,369.38 : 690,965,054.10 = 153,935,482.25 : x
  2. Step 2: Convert to fraction form
    460,643,369.38/690,965,054.10 = 153,935,482.25/x
  3. Step 3: Cross multiply
    460,643,369.38x = 690,965,054.10 × 153,935,482.25
  4. Step 4: Simplify right side
    460,643,369.38x = 106,364,038,822,508,256
  5. Step 5: Solve for x
    x = 106,364,038,822,508,256/460,643,369.38
  6. Step 6: Final answer
    x = 230,903,223.39

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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.