Home / 547,243,565.41-755,196,848.72-296,348,390.20

Finding the Fourth Proportional to 547,243,565.41, 755,196,848.72 and 296,348,390.20

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Solution

The fourth proportional to 547,243,565.41, 755,196,848.72 and 296,348,390.20 is: 408,961,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,243,565.41 : 755,196,848.72 = 296,348,390.20 : x
  2. Step 2: Convert to fraction form
    547,243,565.41/755,196,848.72 = 296,348,390.20/x
  3. Step 3: Cross multiply
    547,243,565.41x = 755,196,848.72 × 296,348,390.20
  4. Step 4: Simplify right side
    547,243,565.41x = 223,801,370,402,284,928
  5. Step 5: Solve for x
    x = 223,801,370,402,284,928/547,243,565.41
  6. Step 6: Final answer
    x = 408,961,172.96

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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.