Home / 5,215,697,984.90-7,823,924,890.95-3,140,952,320.90

Finding the Fourth Proportional to 5,215,697,984.90, 7,823,924,890.95 and 3,140,952,320.90

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Solution

The fourth proportional to 5,215,697,984.90, 7,823,924,890.95 and 3,140,952,320.90 is: 4,711,656,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,697,984.90 : 7,823,924,890.95 = 3,140,952,320.90 : x
  2. Step 2: Convert to fraction form
    5,215,697,984.90/7,823,924,890.95 = 3,140,952,320.90/x
  3. Step 3: Cross multiply
    5,215,697,984.90x = 7,823,924,890.95 × 3,140,952,320.90
  4. Step 4: Simplify right side
    5,215,697,984.90x = 24,574,575,044,776,681,472
  5. Step 5: Solve for x
    x = 24,574,575,044,776,681,472/5,215,697,984.90
  6. Step 6: Final answer
    x = 4,711,656,065.19

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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.