Home / 326,211,138.69-488,671,003.96-285,316,753.74

Finding the Fourth Proportional to 326,211,138.69, 488,671,003.96 and 285,316,753.74

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Solution

The fourth proportional to 326,211,138.69, 488,671,003.96 and 285,316,753.74 is: 427,410,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,211,138.69 : 488,671,003.96 = 285,316,753.74 : x
  2. Step 2: Convert to fraction form
    326,211,138.69/488,671,003.96 = 285,316,753.74/x
  3. Step 3: Cross multiply
    326,211,138.69x = 488,671,003.96 × 285,316,753.74
  4. Step 4: Simplify right side
    326,211,138.69x = 139,426,024,496,733,888
  5. Step 5: Solve for x
    x = 139,426,024,496,733,888/326,211,138.69
  6. Step 6: Final answer
    x = 427,410,373.10

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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.