Home / 1,492,241,012.40-2,238,340,523.40-674,352,001.20

Finding the Fourth Proportional to 1,492,241,012.40, 2,238,340,523.40 and 674,352,001.20

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Solution

The fourth proportional to 1,492,241,012.40, 2,238,340,523.40 and 674,352,001.20 is: 1,011,518,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,241,012.40 : 2,238,340,523.40 = 674,352,001.20 : x
  2. Step 2: Convert to fraction form
    1,492,241,012.40/2,238,340,523.40 = 674,352,001.20/x
  3. Step 3: Cross multiply
    1,492,241,012.40x = 2,238,340,523.40 × 674,352,001.20
  4. Step 4: Simplify right side
    1,492,241,012.40x = 1,509,429,411,321,845,504
  5. Step 5: Solve for x
    x = 1,509,429,411,321,845,504/1,492,241,012.40
  6. Step 6: Final answer
    x = 1,011,518,513.95

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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.