Home / 1,078,891,708.74-1,617,682,228.29-423,057,035.58

Finding the Fourth Proportional to 1,078,891,708.74, 1,617,682,228.29 and 423,057,035.58

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Solution

The fourth proportional to 1,078,891,708.74, 1,617,682,228.29 and 423,057,035.58 is: 634,328,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,891,708.74 : 1,617,682,228.29 = 423,057,035.58 : x
  2. Step 2: Convert to fraction form
    1,078,891,708.74/1,617,682,228.29 = 423,057,035.58/x
  3. Step 3: Cross multiply
    1,078,891,708.74x = 1,617,682,228.29 × 423,057,035.58
  4. Step 4: Simplify right side
    1,078,891,708.74x = 684,371,848,010,816,128
  5. Step 5: Solve for x
    x = 684,371,848,010,816,128/1,078,891,708.74
  6. Step 6: Final answer
    x = 634,328,582.25

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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.