Home / 456,655,678.80-630,184,841.26-247,811,821.45

Finding the Fourth Proportional to 456,655,678.80, 630,184,841.26 and 247,811,821.45

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Solution

The fourth proportional to 456,655,678.80, 630,184,841.26 and 247,811,821.45 is: 341,980,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,655,678.80 : 630,184,841.26 = 247,811,821.45 : x
  2. Step 2: Convert to fraction form
    456,655,678.80/630,184,841.26 = 247,811,821.45/x
  3. Step 3: Cross multiply
    456,655,678.80x = 630,184,841.26 × 247,811,821.45
  4. Step 4: Simplify right side
    456,655,678.80x = 156,167,253,362,819,712
  5. Step 5: Solve for x
    x = 156,167,253,362,819,712/456,655,678.80
  6. Step 6: Final answer
    x = 341,980,316.05

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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.