Home / 2,145,210,013.60-3,217,815,020.40-1,165,657,962.40

Finding the Fourth Proportional to 2,145,210,013.60, 3,217,815,020.40 and 1,165,657,962.40

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Solution

The fourth proportional to 2,145,210,013.60, 3,217,815,020.40 and 1,165,657,962.40 is: 1,748,486,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,210,013.60 : 3,217,815,020.40 = 1,165,657,962.40 : x
  2. Step 2: Convert to fraction form
    2,145,210,013.60/3,217,815,020.40 = 1,165,657,962.40/x
  3. Step 3: Cross multiply
    2,145,210,013.60x = 3,217,815,020.40 × 1,165,657,962.40
  4. Step 4: Simplify right side
    2,145,210,013.60x = 3,750,871,700,059,578,880
  5. Step 5: Solve for x
    x = 3,750,871,700,059,578,880/2,145,210,013.60
  6. Step 6: Final answer
    x = 1,748,486,943.60

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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.