Home / 340,254,911.40-510,382,367.10-158,520,460.20

Finding the Fourth Proportional to 340,254,911.40, 510,382,367.10 and 158,520,460.20

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Solution

The fourth proportional to 340,254,911.40, 510,382,367.10 and 158,520,460.20 is: 237,780,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,254,911.40 : 510,382,367.10 = 158,520,460.20 : x
  2. Step 2: Convert to fraction form
    340,254,911.40/510,382,367.10 = 158,520,460.20/x
  3. Step 3: Cross multiply
    340,254,911.40x = 510,382,367.10 × 158,520,460.20
  4. Step 4: Simplify right side
    340,254,911.40x = 80,906,047,710,657,344
  5. Step 5: Solve for x
    x = 80,906,047,710,657,344/340,254,911.40
  6. Step 6: Final answer
    x = 237,780,690.30

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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.