Home / 409,092,670.38-564,380,756.12-302,058,509.29

Finding the Fourth Proportional to 409,092,670.38, 564,380,756.12 and 302,058,509.29

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Solution

The fourth proportional to 409,092,670.38, 564,380,756.12 and 302,058,509.29 is: 416,717,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,092,670.38 : 564,380,756.12 = 302,058,509.29 : x
  2. Step 2: Convert to fraction form
    409,092,670.38/564,380,756.12 = 302,058,509.29/x
  3. Step 3: Cross multiply
    409,092,670.38x = 564,380,756.12 × 302,058,509.29
  4. Step 4: Simplify right side
    409,092,670.38x = 170,476,009,865,570,272
  5. Step 5: Solve for x
    x = 170,476,009,865,570,272/409,092,670.38
  6. Step 6: Final answer
    x = 416,717,341.10

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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.