Home / 460,139,621.90-690,223,604.63-201,221,566.70

Finding the Fourth Proportional to 460,139,621.90, 690,223,604.63 and 201,221,566.70

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Solution

The fourth proportional to 460,139,621.90, 690,223,604.63 and 201,221,566.70 is: 301,838,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,139,621.90 : 690,223,604.63 = 201,221,566.70 : x
  2. Step 2: Convert to fraction form
    460,139,621.90/690,223,604.63 = 201,221,566.70/x
  3. Step 3: Cross multiply
    460,139,621.90x = 690,223,604.63 × 201,221,566.70
  4. Step 4: Simplify right side
    460,139,621.90x = 138,887,875,092,512,736
  5. Step 5: Solve for x
    x = 138,887,875,092,512,736/460,139,621.90
  6. Step 6: Final answer
    x = 301,838,547.44

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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.