Home / 1,131,826,631.82-1,561,607,099.37-679,587,136.98

Finding the Fourth Proportional to 1,131,826,631.82, 1,561,607,099.37 and 679,587,136.98

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Solution

The fourth proportional to 1,131,826,631.82, 1,561,607,099.37 and 679,587,136.98 is: 937,641,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,826,631.82 : 1,561,607,099.37 = 679,587,136.98 : x
  2. Step 2: Convert to fraction form
    1,131,826,631.82/1,561,607,099.37 = 679,587,136.98/x
  3. Step 3: Cross multiply
    1,131,826,631.82x = 1,561,607,099.37 × 679,587,136.98
  4. Step 4: Simplify right side
    1,131,826,631.82x = 1,061,248,097,748,500,608
  5. Step 5: Solve for x
    x = 1,061,248,097,748,500,608/1,131,826,631.82
  6. Step 6: Final answer
    x = 937,641,921.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.