Home / 1,771,315,211.80-2,658,484,472.10-790,251,506.20

Finding the Fourth Proportional to 1,771,315,211.80, 2,658,484,472.10 and 790,251,506.20

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Solution

The fourth proportional to 1,771,315,211.80, 2,658,484,472.10 and 790,251,506.20 is: 1,186,051,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,315,211.80 : 2,658,484,472.10 = 790,251,506.20 : x
  2. Step 2: Convert to fraction form
    1,771,315,211.80/2,658,484,472.10 = 790,251,506.20/x
  3. Step 3: Cross multiply
    1,771,315,211.80x = 2,658,484,472.10 × 790,251,506.20
  4. Step 4: Simplify right side
    1,771,315,211.80x = 2,100,871,358,286,337,024
  5. Step 5: Solve for x
    x = 2,100,871,358,286,337,024/1,771,315,211.80
  6. Step 6: Final answer
    x = 1,186,051,666.18

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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.