Home / 28,843,835,029.94-39,804,726,053.42-15,983,689,802.51

Finding the Fourth Proportional to 28,843,835,029.94, 39,804,726,053.42 and 15,983,689,802.51

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Solution

The fourth proportional to 28,843,835,029.94, 39,804,726,053.42 and 15,983,689,802.51 is: 22,057,621,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843,835,029.94 : 39,804,726,053.42 = 15,983,689,802.51 : x
  2. Step 2: Convert to fraction form
    28,843,835,029.94/39,804,726,053.42 = 15,983,689,802.51/x
  3. Step 3: Cross multiply
    28,843,835,029.94x = 39,804,726,053.42 × 15,983,689,802.51
  4. Step 4: Simplify right side
    28,843,835,029.94x = 636,226,393,911,490,379,776
  5. Step 5: Solve for x
    x = 636,226,393,911,490,379,776/28,843,835,029.94
  6. Step 6: Final answer
    x = 22,057,621,438.04

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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.