Home / 359,551,187.20-539,326,780.80-355,968,006.40

Finding the Fourth Proportional to 359,551,187.20, 539,326,780.80 and 355,968,006.40

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Solution

The fourth proportional to 359,551,187.20, 539,326,780.80 and 355,968,006.40 is: 533,952,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,551,187.20 : 539,326,780.80 = 355,968,006.40 : x
  2. Step 2: Convert to fraction form
    359,551,187.20/539,326,780.80 = 355,968,006.40/x
  3. Step 3: Cross multiply
    359,551,187.20x = 539,326,780.80 × 355,968,006.40
  4. Step 4: Simplify right side
    359,551,187.20x = 191,983,078,959,505,760
  5. Step 5: Solve for x
    x = 191,983,078,959,505,760/359,551,187.20
  6. Step 6: Final answer
    x = 533,952,009.60

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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.