Home / 456,819,688.10-630,411,969.32-247,975,972.22

Finding the Fourth Proportional to 456,819,688.10, 630,411,969.32 and 247,975,972.22

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Solution

The fourth proportional to 456,819,688.10, 630,411,969.32 and 247,975,972.22 is: 342,207,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,819,688.10 : 630,411,969.32 = 247,975,972.22 : x
  2. Step 2: Convert to fraction form
    456,819,688.10/630,411,969.32 = 247,975,972.22/x
  3. Step 3: Cross multiply
    456,819,688.10x = 630,411,969.32 × 247,975,972.22
  4. Step 4: Simplify right side
    456,819,688.10x = 156,327,020,992,517,888
  5. Step 5: Solve for x
    x = 156,327,020,992,517,888/456,819,688.10
  6. Step 6: Final answer
    x = 342,207,275.79

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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.