Home / 1,077,019,842.71-1,612,216,296.92-702,721,774.48

Finding the Fourth Proportional to 1,077,019,842.71, 1,612,216,296.92 and 702,721,774.48

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Solution

The fourth proportional to 1,077,019,842.71, 1,612,216,296.92 and 702,721,774.48 is: 1,051,920,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,019,842.71 : 1,612,216,296.92 = 702,721,774.48 : x
  2. Step 2: Convert to fraction form
    1,077,019,842.71/1,612,216,296.92 = 702,721,774.48/x
  3. Step 3: Cross multiply
    1,077,019,842.71x = 1,612,216,296.92 × 702,721,774.48
  4. Step 4: Simplify right side
    1,077,019,842.71x = 1,132,939,497,014,923,136
  5. Step 5: Solve for x
    x = 1,132,939,497,014,923,136/1,077,019,842.71
  6. Step 6: Final answer
    x = 1,051,920,728.01

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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.