Home / 460,139,622.90-690,223,606.13-201,221,567.70

Finding the Fourth Proportional to 460,139,622.90, 690,223,606.13 and 201,221,567.70

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Solution

The fourth proportional to 460,139,622.90, 690,223,606.13 and 201,221,567.70 is: 301,838,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,139,622.90 : 690,223,606.13 = 201,221,567.70 : x
  2. Step 2: Convert to fraction form
    460,139,622.90/690,223,606.13 = 201,221,567.70/x
  3. Step 3: Cross multiply
    460,139,622.90x = 690,223,606.13 × 201,221,567.70
  4. Step 4: Simplify right side
    460,139,622.90x = 138,887,876,089,025,920
  5. Step 5: Solve for x
    x = 138,887,876,089,025,920/460,139,622.90
  6. Step 6: Final answer
    x = 301,838,548.95

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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.