Home / 290,428,280.70-435,642,421.05-224,671,314.30

Finding the Fourth Proportional to 290,428,280.70, 435,642,421.05 and 224,671,314.30

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Solution

The fourth proportional to 290,428,280.70, 435,642,421.05 and 224,671,314.30 is: 337,006,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,428,280.70 : 435,642,421.05 = 224,671,314.30 : x
  2. Step 2: Convert to fraction form
    290,428,280.70/435,642,421.05 = 224,671,314.30/x
  3. Step 3: Cross multiply
    290,428,280.70x = 435,642,421.05 × 224,671,314.30
  4. Step 4: Simplify right side
    290,428,280.70x = 97,876,355,302,137,488
  5. Step 5: Solve for x
    x = 97,876,355,302,137,488/290,428,280.70
  6. Step 6: Final answer
    x = 337,006,971.45

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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.