Home / 487,843,988,555.86-673,240,849,543.86-268,120,468,883.04

Finding the Fourth Proportional to 487,843,988,555.86, 673,240,849,543.86 and 268,120,468,883.04

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Solution

The fourth proportional to 487,843,988,555.86, 673,240,849,543.86 and 268,120,468,883.04 is: 370,015,120,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,843,988,555.86 : 673,240,849,543.86 = 268,120,468,883.04 : x
  2. Step 2: Convert to fraction form
    487,843,988,555.86/673,240,849,543.86 = 268,120,468,883.04/x
  3. Step 3: Cross multiply
    487,843,988,555.86x = 673,240,849,543.86 × 268,120,468,883.04
  4. Step 4: Simplify right side
    487,843,988,555.86x = 180,509,652,250,915,917,266,944
  5. Step 5: Solve for x
    x = 180,509,652,250,915,917,266,944/487,843,988,555.86
  6. Step 6: Final answer
    x = 370,015,120,582.44

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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.