Home / 7,801,205,401.20-11,701,808,101.80-5,011,777,880.40

Finding the Fourth Proportional to 7,801,205,401.20, 11,701,808,101.80 and 5,011,777,880.40

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Solution

The fourth proportional to 7,801,205,401.20, 11,701,808,101.80 and 5,011,777,880.40 is: 7,517,666,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,205,401.20 : 11,701,808,101.80 = 5,011,777,880.40 : x
  2. Step 2: Convert to fraction form
    7,801,205,401.20/11,701,808,101.80 = 5,011,777,880.40/x
  3. Step 3: Cross multiply
    7,801,205,401.20x = 11,701,808,101.80 × 5,011,777,880.40
  4. Step 4: Simplify right side
    7,801,205,401.20x = 58,646,863,005,286,744,064
  5. Step 5: Solve for x
    x = 58,646,863,005,286,744,064/7,801,205,401.20
  6. Step 6: Final answer
    x = 7,517,666,820.60

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1.5x scale

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.