Home / 473,334,669.72-653,266,726.38-272,387,413.80

Finding the Fourth Proportional to 473,334,669.72, 653,266,726.38 and 272,387,413.80

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Solution

The fourth proportional to 473,334,669.72, 653,266,726.38 and 272,387,413.80 is: 375,931,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,334,669.72 : 653,266,726.38 = 272,387,413.80 : x
  2. Step 2: Convert to fraction form
    473,334,669.72/653,266,726.38 = 272,387,413.80/x
  3. Step 3: Cross multiply
    473,334,669.72x = 653,266,726.38 × 272,387,413.80
  4. Step 4: Simplify right side
    473,334,669.72x = 177,941,634,120,240,448
  5. Step 5: Solve for x
    x = 177,941,634,120,240,448/473,334,669.72
  6. Step 6: Final answer
    x = 375,931,968.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.