Home / 2,948,965,315.12-4,069,586,005.32-1,610,873,968.87

Finding the Fourth Proportional to 2,948,965,315.12, 4,069,586,005.32 and 1,610,873,968.87

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Solution

The fourth proportional to 2,948,965,315.12, 4,069,586,005.32 and 1,610,873,968.87 is: 2,223,013,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,965,315.12 : 4,069,586,005.32 = 1,610,873,968.87 : x
  2. Step 2: Convert to fraction form
    2,948,965,315.12/4,069,586,005.32 = 1,610,873,968.87/x
  3. Step 3: Cross multiply
    2,948,965,315.12x = 4,069,586,005.32 × 1,610,873,968.87
  4. Step 4: Simplify right side
    2,948,965,315.12x = 6,555,590,160,047,637,504
  5. Step 5: Solve for x
    x = 6,555,590,160,047,637,504/2,948,965,315.12
  6. Step 6: Final answer
    x = 2,223,013,653.78

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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.