Home / 727,636,150.80-1,091,501,465.40-383,262,382.80

Finding the Fourth Proportional to 727,636,150.80, 1,091,501,465.40 and 383,262,382.80

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Solution

The fourth proportional to 727,636,150.80, 1,091,501,465.40 and 383,262,382.80 is: 574,918,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,636,150.80 : 1,091,501,465.40 = 383,262,382.80 : x
  2. Step 2: Convert to fraction form
    727,636,150.80/1,091,501,465.40 = 383,262,382.80/x
  3. Step 3: Cross multiply
    727,636,150.80x = 1,091,501,465.40 × 383,262,382.80
  4. Step 4: Simplify right side
    727,636,150.80x = 418,331,452,458,895,808
  5. Step 5: Solve for x
    x = 418,331,452,458,895,808/727,636,150.80
  6. Step 6: Final answer
    x = 574,918,456.15

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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.