Home / 423,151,562.26-634,437,575.61-215,487,995.32

Finding the Fourth Proportional to 423,151,562.26, 634,437,575.61 and 215,487,995.32

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Solution

The fourth proportional to 423,151,562.26, 634,437,575.61 and 215,487,995.32 is: 323,084,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,151,562.26 : 634,437,575.61 = 215,487,995.32 : x
  2. Step 2: Convert to fraction form
    423,151,562.26/634,437,575.61 = 215,487,995.32/x
  3. Step 3: Cross multiply
    423,151,562.26x = 634,437,575.61 × 215,487,995.32
  4. Step 4: Simplify right side
    423,151,562.26x = 136,713,681,323,879,824
  5. Step 5: Solve for x
    x = 136,713,681,323,879,824/423,151,562.26
  6. Step 6: Final answer
    x = 323,084,430.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.