Home / 1,267,019,213.70-1,898,077,379.42-712,637,232.50

Finding the Fourth Proportional to 1,267,019,213.70, 1,898,077,379.42 and 712,637,232.50

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Solution

The fourth proportional to 1,267,019,213.70, 1,898,077,379.42 and 712,637,232.50 is: 1,067,577,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,019,213.70 : 1,898,077,379.42 = 712,637,232.50 : x
  2. Step 2: Convert to fraction form
    1,267,019,213.70/1,898,077,379.42 = 712,637,232.50/x
  3. Step 3: Cross multiply
    1,267,019,213.70x = 1,898,077,379.42 × 712,637,232.50
  4. Step 4: Simplify right side
    1,267,019,213.70x = 1,352,640,610,740,721,408
  5. Step 5: Solve for x
    x = 1,352,640,610,740,721,408/1,267,019,213.70
  6. Step 6: Final answer
    x = 1,067,577,031.28

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1.5x scale

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.