Home / 644,933,681.38-967,390,800.51-290,157,418.67

Finding the Fourth Proportional to 644,933,681.38, 967,390,800.51 and 290,157,418.67

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Solution

The fourth proportional to 644,933,681.38, 967,390,800.51 and 290,157,418.67 is: 435,231,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,933,681.38 : 967,390,800.51 = 290,157,418.67 : x
  2. Step 2: Convert to fraction form
    644,933,681.38/967,390,800.51 = 290,157,418.67/x
  3. Step 3: Cross multiply
    644,933,681.38x = 967,390,800.51 × 290,157,418.67
  4. Step 4: Simplify right side
    644,933,681.38x = 280,695,617,521,086,528
  5. Step 5: Solve for x
    x = 280,695,617,521,086,528/644,933,681.38
  6. Step 6: Final answer
    x = 435,231,754.25

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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.