Home / 2,918,786,128.04-4,385,163,805.76-1,871,576,053.40

Finding the Fourth Proportional to 2,918,786,128.04, 4,385,163,805.76 and 1,871,576,053.40

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Solution

The fourth proportional to 2,918,786,128.04, 4,385,163,805.76 and 1,871,576,053.40 is: 2,811,842,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,786,128.04 : 4,385,163,805.76 = 1,871,576,053.40 : x
  2. Step 2: Convert to fraction form
    2,918,786,128.04/4,385,163,805.76 = 1,871,576,053.40/x
  3. Step 3: Cross multiply
    2,918,786,128.04x = 4,385,163,805.76 × 1,871,576,053.40
  4. Step 4: Simplify right side
    2,918,786,128.04x = 8,207,167,569,112,466,432
  5. Step 5: Solve for x
    x = 8,207,167,569,112,466,432/2,918,786,128.04
  6. Step 6: Final answer
    x = 2,811,842,734.99

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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.