Home / 705,672,000.30-1,058,508,000.45-631,695,413.10

Finding the Fourth Proportional to 705,672,000.30, 1,058,508,000.45 and 631,695,413.10

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Solution

The fourth proportional to 705,672,000.30, 1,058,508,000.45 and 631,695,413.10 is: 947,543,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,672,000.30 : 1,058,508,000.45 = 631,695,413.10 : x
  2. Step 2: Convert to fraction form
    705,672,000.30/1,058,508,000.45 = 631,695,413.10/x
  3. Step 3: Cross multiply
    705,672,000.30x = 1,058,508,000.45 × 631,695,413.10
  4. Step 4: Simplify right side
    705,672,000.30x = 668,654,648,613,917,824
  5. Step 5: Solve for x
    x = 668,654,648,613,917,824/705,672,000.30
  6. Step 6: Final answer
    x = 947,543,119.65

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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.