Home / 1,397,807,117.70-2,098,054,369.35-708,492,711.30

Finding the Fourth Proportional to 1,397,807,117.70, 2,098,054,369.35 and 708,492,711.30

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Solution

The fourth proportional to 1,397,807,117.70, 2,098,054,369.35 and 708,492,711.30 is: 1,063,420,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,807,117.70 : 2,098,054,369.35 = 708,492,711.30 : x
  2. Step 2: Convert to fraction form
    1,397,807,117.70/2,098,054,369.35 = 708,492,711.30/x
  3. Step 3: Cross multiply
    1,397,807,117.70x = 2,098,054,369.35 × 708,492,711.30
  4. Step 4: Simplify right side
    1,397,807,117.70x = 1,486,456,228,595,592,960
  5. Step 5: Solve for x
    x = 1,486,456,228,595,592,960/1,397,807,117.70
  6. Step 6: Final answer
    x = 1,063,420,131.27

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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.