Home / 1,561,931,858.80-2,155,460,050.24-857,095,633.04

Finding the Fourth Proportional to 1,561,931,858.80, 2,155,460,050.24 and 857,095,633.04

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Solution

The fourth proportional to 1,561,931,858.80, 2,155,460,050.24 and 857,095,633.04 is: 1,182,788,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,931,858.80 : 2,155,460,050.24 = 857,095,633.04 : x
  2. Step 2: Convert to fraction form
    1,561,931,858.80/2,155,460,050.24 = 857,095,633.04/x
  3. Step 3: Cross multiply
    1,561,931,858.80x = 2,155,460,050.24 × 857,095,633.04
  4. Step 4: Simplify right side
    1,561,931,858.80x = 1,847,435,396,252,882,688
  5. Step 5: Solve for x
    x = 1,847,435,396,252,882,688/1,561,931,858.80
  6. Step 6: Final answer
    x = 1,182,788,727.85

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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.