Home / 28,843,835,037.42-39,804,726,064.11-15,983,689,810.05

Finding the Fourth Proportional to 28,843,835,037.42, 39,804,726,064.11 and 15,983,689,810.05

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Solution

The fourth proportional to 28,843,835,037.42, 39,804,726,064.11 and 15,983,689,810.05 is: 22,057,621,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843,835,037.42 : 39,804,726,064.11 = 15,983,689,810.05 : x
  2. Step 2: Convert to fraction form
    28,843,835,037.42/39,804,726,064.11 = 15,983,689,810.05/x
  3. Step 3: Cross multiply
    28,843,835,037.42x = 39,804,726,064.11 × 15,983,689,810.05
  4. Step 4: Simplify right side
    28,843,835,037.42x = 636,226,394,382,746,648,576
  5. Step 5: Solve for x
    x = 636,226,394,382,746,648,576/28,843,835,037.42
  6. Step 6: Final answer
    x = 22,057,621,448.65

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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.