Home / 2,918,786,328.50-4,385,164,105.76-1,871,576,252.91

Finding the Fourth Proportional to 2,918,786,328.50, 4,385,164,105.76 and 1,871,576,252.91

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Solution

The fourth proportional to 2,918,786,328.50, 4,385,164,105.76 and 1,871,576,252.91 is: 2,811,843,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,786,328.50 : 4,385,164,105.76 = 1,871,576,252.91 : x
  2. Step 2: Convert to fraction form
    2,918,786,328.50/4,385,164,105.76 = 1,871,576,252.91/x
  3. Step 3: Cross multiply
    2,918,786,328.50x = 4,385,164,105.76 × 1,871,576,252.91
  4. Step 4: Simplify right side
    2,918,786,328.50x = 8,207,169,005,444,374,528
  5. Step 5: Solve for x
    x = 8,207,169,005,444,374,528/2,918,786,328.50
  6. Step 6: Final answer
    x = 2,811,843,033.98

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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.