Home / 6,780,662,465.65-9,357,837,775.31-4,068,031,989.12

Finding the Fourth Proportional to 6,780,662,465.65, 9,357,837,775.31 and 4,068,031,989.12

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Solution

The fourth proportional to 6,780,662,465.65, 9,357,837,775.31 and 4,068,031,989.12 is: 5,614,198,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780,662,465.65 : 9,357,837,775.31 = 4,068,031,989.12 : x
  2. Step 2: Convert to fraction form
    6,780,662,465.65/9,357,837,775.31 = 4,068,031,989.12/x
  3. Step 3: Cross multiply
    6,780,662,465.65x = 9,357,837,775.31 × 4,068,031,989.12
  4. Step 4: Simplify right side
    6,780,662,465.65x = 38,067,983,418,889,486,336
  5. Step 5: Solve for x
    x = 38,067,983,418,889,486,336/6,780,662,465.65
  6. Step 6: Final answer
    x = 5,614,198,260.38

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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.