Home / 290,428,298.70-435,642,448.05-224,671,332.30

Finding the Fourth Proportional to 290,428,298.70, 435,642,448.05 and 224,671,332.30

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Solution

The fourth proportional to 290,428,298.70, 435,642,448.05 and 224,671,332.30 is: 337,006,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,428,298.70 : 435,642,448.05 = 224,671,332.30 : x
  2. Step 2: Convert to fraction form
    290,428,298.70/435,642,448.05 = 224,671,332.30/x
  3. Step 3: Cross multiply
    290,428,298.70x = 435,642,448.05 × 224,671,332.30
  4. Step 4: Simplify right side
    290,428,298.70x = 97,876,369,209,827,040
  5. Step 5: Solve for x
    x = 97,876,369,209,827,040/290,428,298.70
  6. Step 6: Final answer
    x = 337,006,998.45

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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.