Home / 250,219,430.40-375,329,145.60-206,853,844.80

Finding the Fourth Proportional to 250,219,430.40, 375,329,145.60 and 206,853,844.80

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Solution

The fourth proportional to 250,219,430.40, 375,329,145.60 and 206,853,844.80 is: 310,280,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,219,430.40 : 375,329,145.60 = 206,853,844.80 : x
  2. Step 2: Convert to fraction form
    250,219,430.40/375,329,145.60 = 206,853,844.80/x
  3. Step 3: Cross multiply
    250,219,430.40x = 375,329,145.60 × 206,853,844.80
  4. Step 4: Simplify right side
    250,219,430.40x = 77,638,276,832,859,008
  5. Step 5: Solve for x
    x = 77,638,276,832,859,008/250,219,430.40
  6. Step 6: Final answer
    x = 310,280,767.20

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1.5x scale

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.