Home / 456,819,391.52-630,411,559.43-247,975,675.64

Finding the Fourth Proportional to 456,819,391.52, 630,411,559.43 and 247,975,675.64

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Solution

The fourth proportional to 456,819,391.52, 630,411,559.43 and 247,975,675.64 is: 342,206,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,819,391.52 : 630,411,559.43 = 247,975,675.64 : x
  2. Step 2: Convert to fraction form
    456,819,391.52/630,411,559.43 = 247,975,675.64/x
  3. Step 3: Cross multiply
    456,819,391.52x = 630,411,559.43 × 247,975,675.64
  4. Step 4: Simplify right side
    456,819,391.52x = 156,326,732,384,520,768
  5. Step 5: Solve for x
    x = 156,326,732,384,520,768/456,819,391.52
  6. Step 6: Final answer
    x = 342,206,866.18

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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.