Home / 456,728,158.54-630,285,466.95-247,884,301.18

Finding the Fourth Proportional to 456,728,158.54, 630,285,466.95 and 247,884,301.18

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Solution

The fourth proportional to 456,728,158.54, 630,285,466.95 and 247,884,301.18 is: 342,080,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,728,158.54 : 630,285,466.95 = 247,884,301.18 : x
  2. Step 2: Convert to fraction form
    456,728,158.54/630,285,466.95 = 247,884,301.18/x
  3. Step 3: Cross multiply
    456,728,158.54x = 630,285,466.95 × 247,884,301.18
  4. Step 4: Simplify right side
    456,728,158.54x = 156,237,872,518,810,752
  5. Step 5: Solve for x
    x = 156,237,872,518,810,752/456,728,158.54
  6. Step 6: Final answer
    x = 342,080,665.70

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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.