Home / 456,768,185.07-630,340,733.12-247,924,370.91

Finding the Fourth Proportional to 456,768,185.07, 630,340,733.12 and 247,924,370.91

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Solution

The fourth proportional to 456,768,185.07, 630,340,733.12 and 247,924,370.91 is: 342,135,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,768,185.07 : 630,340,733.12 = 247,924,370.91 : x
  2. Step 2: Convert to fraction form
    456,768,185.07/630,340,733.12 = 247,924,370.91/x
  3. Step 3: Cross multiply
    456,768,185.07x = 630,340,733.12 × 247,924,370.91
  4. Step 4: Simplify right side
    456,768,185.07x = 156,276,829,716,484,576
  5. Step 5: Solve for x
    x = 156,276,829,716,484,576/456,768,185.07
  6. Step 6: Final answer
    x = 342,135,978.00

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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.