Home / 403,775,399-557,396,054.02-236,488,444.76

Finding the Fourth Proportional to 403,775,399, 557,396,054.02 and 236,488,444.76

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Solution

The fourth proportional to 403,775,399, 557,396,054.02 and 236,488,444.76 is: 326,462,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775,399 : 557,396,054.02 = 236,488,444.76 : x
  2. Step 2: Convert to fraction form
    403,775,399/557,396,054.02 = 236,488,444.76/x
  3. Step 3: Cross multiply
    403,775,399x = 557,396,054.02 × 236,488,444.76
  4. Step 4: Simplify right side
    403,775,399x = 131,817,725,930,550,736
  5. Step 5: Solve for x
    x = 131,817,725,930,550,736/403,775,399
  6. Step 6: Final answer
    x = 326,462,994.67

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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.