Home / 456,728,155.53-630,285,462.80-247,884,298.17

Finding the Fourth Proportional to 456,728,155.53, 630,285,462.80 and 247,884,298.17

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Solution

The fourth proportional to 456,728,155.53, 630,285,462.80 and 247,884,298.17 is: 342,080,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,728,155.53 : 630,285,462.80 = 247,884,298.17 : x
  2. Step 2: Convert to fraction form
    456,728,155.53/630,285,462.80 = 247,884,298.17/x
  3. Step 3: Cross multiply
    456,728,155.53x = 630,285,462.80 × 247,884,298.17
  4. Step 4: Simplify right side
    456,728,155.53x = 156,237,869,592,931,616
  5. Step 5: Solve for x
    x = 156,237,869,592,931,616/456,728,155.53
  6. Step 6: Final answer
    x = 342,080,661.55

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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.