Home / 1,401,946,510.55-2,103,031,119.29-469,274,281.70

Finding the Fourth Proportional to 1,401,946,510.55, 2,103,031,119.29 and 469,274,281.70

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Solution

The fourth proportional to 1,401,946,510.55, 2,103,031,119.29 and 469,274,281.70 is: 703,948,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,946,510.55 : 2,103,031,119.29 = 469,274,281.70 : x
  2. Step 2: Convert to fraction form
    1,401,946,510.55/2,103,031,119.29 = 469,274,281.70/x
  3. Step 3: Cross multiply
    1,401,946,510.55x = 2,103,031,119.29 × 469,274,281.70
  4. Step 4: Simplify right side
    1,401,946,510.55x = 986,898,417,884,700,288
  5. Step 5: Solve for x
    x = 986,898,417,884,700,288/1,401,946,510.55
  6. Step 6: Final answer
    x = 703,948,695.95

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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.