Home / 554,447,047.86-765,142,972.67-306,932,535.54

Finding the Fourth Proportional to 554,447,047.86, 765,142,972.67 and 306,932,535.54

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Solution

The fourth proportional to 554,447,047.86, 765,142,972.67 and 306,932,535.54 is: 423,570,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,047.86 : 765,142,972.67 = 306,932,535.54 : x
  2. Step 2: Convert to fraction form
    554,447,047.86/765,142,972.67 = 306,932,535.54/x
  3. Step 3: Cross multiply
    554,447,047.86x = 765,142,972.67 × 306,932,535.54
  4. Step 4: Simplify right side
    554,447,047.86x = 234,847,272,652,216,032
  5. Step 5: Solve for x
    x = 234,847,272,652,216,032/554,447,047.86
  6. Step 6: Final answer
    x = 423,570,246.35

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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.