Home / 1,391,805,209.04-2,088,521,902.44-519,009,550.80

Finding the Fourth Proportional to 1,391,805,209.04, 2,088,521,902.44 and 519,009,550.80

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Solution

The fourth proportional to 1,391,805,209.04, 2,088,521,902.44 and 519,009,550.80 is: 778,817,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,805,209.04 : 2,088,521,902.44 = 519,009,550.80 : x
  2. Step 2: Convert to fraction form
    1,391,805,209.04/2,088,521,902.44 = 519,009,550.80/x
  3. Step 3: Cross multiply
    1,391,805,209.04x = 2,088,521,902.44 × 519,009,550.80
  4. Step 4: Simplify right side
    1,391,805,209.04x = 1,083,962,814,421,345,920
  5. Step 5: Solve for x
    x = 1,083,962,814,421,345,920/1,391,805,209.04
  6. Step 6: Final answer
    x = 778,817,903.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.