Home / 1,124,801,675.46-1,687,208,118.59-461,178,178.58

Finding the Fourth Proportional to 1,124,801,675.46, 1,687,208,118.59 and 461,178,178.58

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Solution

The fourth proportional to 1,124,801,675.46, 1,687,208,118.59 and 461,178,178.58 is: 691,769,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,801,675.46 : 1,687,208,118.59 = 461,178,178.58 : x
  2. Step 2: Convert to fraction form
    1,124,801,675.46/1,687,208,118.59 = 461,178,178.58/x
  3. Step 3: Cross multiply
    1,124,801,675.46x = 1,687,208,118.59 × 461,178,178.58
  4. Step 4: Simplify right side
    1,124,801,675.46x = 778,103,567,022,095,744
  5. Step 5: Solve for x
    x = 778,103,567,022,095,744/1,124,801,675.46
  6. Step 6: Final answer
    x = 691,769,566.14

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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.