Home / 1,312,747,417.95-1,969,120,954.67-536,392,275.90

Finding the Fourth Proportional to 1,312,747,417.95, 1,969,120,954.67 and 536,392,275.90

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Solution

The fourth proportional to 1,312,747,417.95, 1,969,120,954.67 and 536,392,275.90 is: 804,588,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,747,417.95 : 1,969,120,954.67 = 536,392,275.90 : x
  2. Step 2: Convert to fraction form
    1,312,747,417.95/1,969,120,954.67 = 536,392,275.90/x
  3. Step 3: Cross multiply
    1,312,747,417.95x = 1,969,120,954.67 × 536,392,275.90
  4. Step 4: Simplify right side
    1,312,747,417.95x = 1,056,221,270,395,139,968
  5. Step 5: Solve for x
    x = 1,056,221,270,395,139,968/1,312,747,417.95
  6. Step 6: Final answer
    x = 804,588,343.46

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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.