Home / 554,716,095.82-765,520,603.72-316,556,538.64

Finding the Fourth Proportional to 554,716,095.82, 765,520,603.72 and 316,556,538.64

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Solution

The fourth proportional to 554,716,095.82, 765,520,603.72 and 316,556,538.64 is: 436,855,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,716,095.82 : 765,520,603.72 = 316,556,538.64 : x
  2. Step 2: Convert to fraction form
    554,716,095.82/765,520,603.72 = 316,556,538.64/x
  3. Step 3: Cross multiply
    554,716,095.82x = 765,520,603.72 × 316,556,538.64
  4. Step 4: Simplify right side
    554,716,095.82x = 242,330,552,571,206,304
  5. Step 5: Solve for x
    x = 242,330,552,571,206,304/554,716,095.82
  6. Step 6: Final answer
    x = 436,855,094.70

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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.