Home / 445,850,879.74-615,275,651.72-247,612,374.50

Finding the Fourth Proportional to 445,850,879.74, 615,275,651.72 and 247,612,374.50

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Solution

The fourth proportional to 445,850,879.74, 615,275,651.72 and 247,612,374.50 is: 341,705,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,850,879.74 : 615,275,651.72 = 247,612,374.50 : x
  2. Step 2: Convert to fraction form
    445,850,879.74/615,275,651.72 = 247,612,374.50/x
  3. Step 3: Cross multiply
    445,850,879.74x = 615,275,651.72 × 247,612,374.50
  4. Step 4: Simplify right side
    445,850,879.74x = 152,349,865,094,424,224
  5. Step 5: Solve for x
    x = 152,349,865,094,424,224/445,850,879.74
  6. Step 6: Final answer
    x = 341,705,875.25

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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.