Home / 1,811,478,001.45-2,717,217,002.18-776,443,509.85

Finding the Fourth Proportional to 1,811,478,001.45, 2,717,217,002.18 and 776,443,509.85

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Solution

The fourth proportional to 1,811,478,001.45, 2,717,217,002.18 and 776,443,509.85 is: 1,164,665,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,478,001.45 : 2,717,217,002.18 = 776,443,509.85 : x
  2. Step 2: Convert to fraction form
    1,811,478,001.45/2,717,217,002.18 = 776,443,509.85/x
  3. Step 3: Cross multiply
    1,811,478,001.45x = 2,717,217,002.18 × 776,443,509.85
  4. Step 4: Simplify right side
    1,811,478,001.45x = 2,109,765,506,192,852,224
  5. Step 5: Solve for x
    x = 2,109,765,506,192,852,224/1,811,478,001.45
  6. Step 6: Final answer
    x = 1,164,665,264.78

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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.