Home / 283,123,284,416.28-390,803,243,130.72-225,357,624,982.80

Finding the Fourth Proportional to 283,123,284,416.28, 390,803,243,130.72 and 225,357,624,982.80

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Solution

The fourth proportional to 283,123,284,416.28, 390,803,243,130.72 and 225,357,624,982.80 is: 311,067,635,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,123,284,416.28 : 390,803,243,130.72 = 225,357,624,982.80 : x
  2. Step 2: Convert to fraction form
    283,123,284,416.28/390,803,243,130.72 = 225,357,624,982.80/x
  3. Step 3: Cross multiply
    283,123,284,416.28x = 390,803,243,130.72 × 225,357,624,982.80
  4. Step 4: Simplify right side
    283,123,284,416.28x = 88,070,490,707,514,789,724,160
  5. Step 5: Solve for x
    x = 88,070,490,707,514,789,724,160/283,123,284,416.28
  6. Step 6: Final answer
    x = 311,067,635,744.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.