Home / 626,291,943,975.45-939,053,447,956.91-243,388,932,326.74

Finding the Fourth Proportional to 626,291,943,975.45, 939,053,447,956.91 and 243,388,932,326.74

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Solution

The fourth proportional to 626,291,943,975.45, 939,053,447,956.91 and 243,388,932,326.74 is: 364,933,986,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,291,943,975.45 : 939,053,447,956.91 = 243,388,932,326.74 : x
  2. Step 2: Convert to fraction form
    626,291,943,975.45/939,053,447,956.91 = 243,388,932,326.74/x
  3. Step 3: Cross multiply
    626,291,943,975.45x = 939,053,447,956.91 × 243,388,932,326.74
  4. Step 4: Simplify right side
    626,291,943,975.45x = 228,555,216,095,976,215,281,664
  5. Step 5: Solve for x
    x = 228,555,216,095,976,215,281,664/626,291,943,975.45
  6. Step 6: Final answer
    x = 364,933,986,928.20

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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.