Home / 423,083,453.52-634,291,413.71-267,308,922.11

Finding the Fourth Proportional to 423,083,453.52, 634,291,413.71 and 267,308,922.11

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Solution

The fourth proportional to 423,083,453.52, 634,291,413.71 and 267,308,922.11 is: 400,752,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,083,453.52 : 634,291,413.71 = 267,308,922.11 : x
  2. Step 2: Convert to fraction form
    423,083,453.52/634,291,413.71 = 267,308,922.11/x
  3. Step 3: Cross multiply
    423,083,453.52x = 634,291,413.71 × 267,308,922.11
  4. Step 4: Simplify right side
    423,083,453.52x = 169,551,754,102,697,376
  5. Step 5: Solve for x
    x = 169,551,754,102,697,376/423,083,453.52
  6. Step 6: Final answer
    x = 400,752,505.66

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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.