Home / 7,072,087,288-9,759,490,136.20-3,857,005,050.72

Finding the Fourth Proportional to 7,072,087,288, 9,759,490,136.20 and 3,857,005,050.72

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Solution

The fourth proportional to 7,072,087,288, 9,759,490,136.20 and 3,857,005,050.72 is: 5,322,672,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,087,288 : 9,759,490,136.20 = 3,857,005,050.72 : x
  2. Step 2: Convert to fraction form
    7,072,087,288/9,759,490,136.20 = 3,857,005,050.72/x
  3. Step 3: Cross multiply
    7,072,087,288x = 9,759,490,136.20 × 3,857,005,050.72
  4. Step 4: Simplify right side
    7,072,087,288x = 37,642,402,747,775,418,368
  5. Step 5: Solve for x
    x = 37,642,402,747,775,418,368/7,072,087,288
  6. Step 6: Final answer
    x = 5,322,672,248.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.