Home / 746,862,401.80-1,120,293,602.70-672,885,814.60

Finding the Fourth Proportional to 746,862,401.80, 1,120,293,602.70 and 672,885,814.60

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Solution

The fourth proportional to 746,862,401.80, 1,120,293,602.70 and 672,885,814.60 is: 1,009,328,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,862,401.80 : 1,120,293,602.70 = 672,885,814.60 : x
  2. Step 2: Convert to fraction form
    746,862,401.80/1,120,293,602.70 = 672,885,814.60/x
  3. Step 3: Cross multiply
    746,862,401.80x = 1,120,293,602.70 × 672,885,814.60
  4. Step 4: Simplify right side
    746,862,401.80x = 753,829,673,443,958,272
  5. Step 5: Solve for x
    x = 753,829,673,443,958,272/746,862,401.80
  6. Step 6: Final answer
    x = 1,009,328,721.90

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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.