Home / 456,655,679.80-630,184,842.64-247,811,822.45

Finding the Fourth Proportional to 456,655,679.80, 630,184,842.64 and 247,811,822.45

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Solution

The fourth proportional to 456,655,679.80, 630,184,842.64 and 247,811,822.45 is: 341,980,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,655,679.80 : 630,184,842.64 = 247,811,822.45 : x
  2. Step 2: Convert to fraction form
    456,655,679.80/630,184,842.64 = 247,811,822.45/x
  3. Step 3: Cross multiply
    456,655,679.80x = 630,184,842.64 × 247,811,822.45
  4. Step 4: Simplify right side
    456,655,679.80x = 156,167,254,334,984,864
  5. Step 5: Solve for x
    x = 156,167,254,334,984,864/456,655,679.80
  6. Step 6: Final answer
    x = 341,980,317.43

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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.