Home / 443,417,641.12-611,628,017.34-284,395,883.67

Finding the Fourth Proportional to 443,417,641.12, 611,628,017.34 and 284,395,883.67

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Solution

The fourth proportional to 443,417,641.12, 611,628,017.34 and 284,395,883.67 is: 392,281,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,417,641.12 : 611,628,017.34 = 284,395,883.67 : x
  2. Step 2: Convert to fraction form
    443,417,641.12/611,628,017.34 = 284,395,883.67/x
  3. Step 3: Cross multiply
    443,417,641.12x = 611,628,017.34 × 284,395,883.67
  4. Step 4: Simplify right side
    443,417,641.12x = 173,944,490,469,936,608
  5. Step 5: Solve for x
    x = 173,944,490,469,936,608/443,417,641.12
  6. Step 6: Final answer
    x = 392,281,394.20

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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.