Home / 391,142,185,514.52-586,713,278,271.78-391,142,185,514.52

Finding the Fourth Proportional to 391,142,185,514.52, 586,713,278,271.78 and 391,142,185,514.52

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Solution

The fourth proportional to 391,142,185,514.52, 586,713,278,271.78 and 391,142,185,514.52 is: 586,713,278,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,142,185,514.52 : 586,713,278,271.78 = 391,142,185,514.52 : x
  2. Step 2: Convert to fraction form
    391,142,185,514.52/586,713,278,271.78 = 391,142,185,514.52/x
  3. Step 3: Cross multiply
    391,142,185,514.52x = 586,713,278,271.78 × 391,142,185,514.52
  4. Step 4: Simplify right side
    391,142,185,514.52x = 229,488,313,933,612,804,210,688
  5. Step 5: Solve for x
    x = 229,488,313,933,612,804,210,688/391,142,185,514.52
  6. Step 6: Final answer
    x = 586,713,278,271.78

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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.