Home / 554,447,045.36-765,142,969.21-306,932,533.04

Finding the Fourth Proportional to 554,447,045.36, 765,142,969.21 and 306,932,533.04

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Solution

The fourth proportional to 554,447,045.36, 765,142,969.21 and 306,932,533.04 is: 423,570,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,045.36 : 765,142,969.21 = 306,932,533.04 : x
  2. Step 2: Convert to fraction form
    554,447,045.36/765,142,969.21 = 306,932,533.04/x
  3. Step 3: Cross multiply
    554,447,045.36x = 765,142,969.21 × 306,932,533.04
  4. Step 4: Simplify right side
    554,447,045.36x = 234,847,269,672,779,008
  5. Step 5: Solve for x
    x = 234,847,269,672,779,008/554,447,045.36
  6. Step 6: Final answer
    x = 423,570,242.89

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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.