Home / 359,544,958.79-496,030,869.52-208,811,955.35

Finding the Fourth Proportional to 359,544,958.79, 496,030,869.52 and 208,811,955.35

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Solution

The fourth proportional to 359,544,958.79, 496,030,869.52 and 208,811,955.35 is: 288,078,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,544,958.79 : 496,030,869.52 = 208,811,955.35 : x
  2. Step 2: Convert to fraction form
    359,544,958.79/496,030,869.52 = 208,811,955.35/x
  3. Step 3: Cross multiply
    359,544,958.79x = 496,030,869.52 × 208,811,955.35
  4. Step 4: Simplify right side
    359,544,958.79x = 103,577,175,779,149,952
  5. Step 5: Solve for x
    x = 103,577,175,779,149,952/359,544,958.79
  6. Step 6: Final answer
    x = 288,078,509.37

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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.