Home / 290,016,005.40-435,024,008.10-175,354,219.80

Finding the Fourth Proportional to 290,016,005.40, 435,024,008.10 and 175,354,219.80

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Solution

The fourth proportional to 290,016,005.40, 435,024,008.10 and 175,354,219.80 is: 263,031,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,016,005.40 : 435,024,008.10 = 175,354,219.80 : x
  2. Step 2: Convert to fraction form
    290,016,005.40/435,024,008.10 = 175,354,219.80/x
  3. Step 3: Cross multiply
    290,016,005.40x = 435,024,008.10 × 175,354,219.80
  4. Step 4: Simplify right side
    290,016,005.40x = 76,283,295,534,644,384
  5. Step 5: Solve for x
    x = 76,283,295,534,644,384/290,016,005.40
  6. Step 6: Final answer
    x = 263,031,329.70

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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.