Home / 4,287,139,767.38-6,429,996,388.61-1,298,492,291.84

Finding the Fourth Proportional to 4,287,139,767.38, 6,429,996,388.61 and 1,298,492,291.84

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Solution

The fourth proportional to 4,287,139,767.38, 6,429,996,388.61 and 1,298,492,291.84 is: 1,947,522,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,139,767.38 : 6,429,996,388.61 = 1,298,492,291.84 : x
  2. Step 2: Convert to fraction form
    4,287,139,767.38/6,429,996,388.61 = 1,298,492,291.84/x
  3. Step 3: Cross multiply
    4,287,139,767.38x = 6,429,996,388.61 × 1,298,492,291.84
  4. Step 4: Simplify right side
    4,287,139,767.38x = 8,349,300,747,130,479,616
  5. Step 5: Solve for x
    x = 8,349,300,747,130,479,616/4,287,139,767.38
  6. Step 6: Final answer
    x = 1,947,522,404.25

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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.