Home / 554,716,085.54-765,520,589.57-316,556,528.40

Finding the Fourth Proportional to 554,716,085.54, 765,520,589.57 and 316,556,528.40

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Solution

The fourth proportional to 554,716,085.54, 765,520,589.57 and 316,556,528.40 is: 436,855,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,716,085.54 : 765,520,589.57 = 316,556,528.40 : x
  2. Step 2: Convert to fraction form
    554,716,085.54/765,520,589.57 = 316,556,528.40/x
  3. Step 3: Cross multiply
    554,716,085.54x = 765,520,589.57 × 316,556,528.40
  4. Step 4: Simplify right side
    554,716,085.54x = 242,330,540,251,417,664
  5. Step 5: Solve for x
    x = 242,330,540,251,417,664/554,716,085.54
  6. Step 6: Final answer
    x = 436,855,080.58

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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.