Home / 403,873,698.42-605,810,549.79-97,165,803.06

Finding the Fourth Proportional to 403,873,698.42, 605,810,549.79 and 97,165,803.06

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Solution

The fourth proportional to 403,873,698.42, 605,810,549.79 and 97,165,803.06 is: 145,748,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,873,698.42 : 605,810,549.79 = 97,165,803.06 : x
  2. Step 2: Convert to fraction form
    403,873,698.42/605,810,549.79 = 97,165,803.06/x
  3. Step 3: Cross multiply
    403,873,698.42x = 605,810,549.79 × 97,165,803.06
  4. Step 4: Simplify right side
    403,873,698.42x = 58,864,068,572,565,464
  5. Step 5: Solve for x
    x = 58,864,068,572,565,464/403,873,698.42
  6. Step 6: Final answer
    x = 145,748,705.11

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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.