Home / 456,655,677.80-630,184,839.88-247,811,820.45

Finding the Fourth Proportional to 456,655,677.80, 630,184,839.88 and 247,811,820.45

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Solution

The fourth proportional to 456,655,677.80, 630,184,839.88 and 247,811,820.45 is: 341,980,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,655,677.80 : 630,184,839.88 = 247,811,820.45 : x
  2. Step 2: Convert to fraction form
    456,655,677.80/630,184,839.88 = 247,811,820.45/x
  3. Step 3: Cross multiply
    456,655,677.80x = 630,184,839.88 × 247,811,820.45
  4. Step 4: Simplify right side
    456,655,677.80x = 156,167,252,389,444,864
  5. Step 5: Solve for x
    x = 156,167,252,389,444,864/456,655,677.80
  6. Step 6: Final answer
    x = 341,980,314.67

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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.