Home / 7,072,087,281-9,759,490,126.54-3,857,005,043.70

Finding the Fourth Proportional to 7,072,087,281, 9,759,490,126.54 and 3,857,005,043.70

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Solution

The fourth proportional to 7,072,087,281, 9,759,490,126.54 and 3,857,005,043.70 is: 5,322,672,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,087,281 : 9,759,490,126.54 = 3,857,005,043.70 : x
  2. Step 2: Convert to fraction form
    7,072,087,281/9,759,490,126.54 = 3,857,005,043.70/x
  3. Step 3: Cross multiply
    7,072,087,281x = 9,759,490,126.54 × 3,857,005,043.70
  4. Step 4: Simplify right side
    7,072,087,281x = 37,642,402,641,995,489,280
  5. Step 5: Solve for x
    x = 37,642,402,641,995,489,280/7,072,087,281
  6. Step 6: Final answer
    x = 5,322,672,238.95

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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.