Home / 5,266,571,955.78-7,267,939,616.88-2,887,703,865.12

Finding the Fourth Proportional to 5,266,571,955.78, 7,267,939,616.88 and 2,887,703,865.12

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Solution

The fourth proportional to 5,266,571,955.78, 7,267,939,616.88 and 2,887,703,865.12 is: 3,985,069,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266,571,955.78 : 7,267,939,616.88 = 2,887,703,865.12 : x
  2. Step 2: Convert to fraction form
    5,266,571,955.78/7,267,939,616.88 = 2,887,703,865.12/x
  3. Step 3: Cross multiply
    5,266,571,955.78x = 7,267,939,616.88 × 2,887,703,865.12
  4. Step 4: Simplify right side
    5,266,571,955.78x = 20,987,657,323,123,146,752
  5. Step 5: Solve for x
    x = 20,987,657,323,123,146,752/5,266,571,955.78
  6. Step 6: Final answer
    x = 3,985,069,889.74

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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.