Home / 309,619,316.61-463,884,163.65-291,186,580.77

Finding the Fourth Proportional to 309,619,316.61, 463,884,163.65 and 291,186,580.77

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Solution

The fourth proportional to 309,619,316.61, 463,884,163.65 and 291,186,580.77 is: 436,267,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,619,316.61 : 463,884,163.65 = 291,186,580.77 : x
  2. Step 2: Convert to fraction form
    309,619,316.61/463,884,163.65 = 291,186,580.77/x
  3. Step 3: Cross multiply
    309,619,316.61x = 463,884,163.65 × 291,186,580.77
  4. Step 4: Simplify right side
    309,619,316.61x = 135,076,843,486,594,608
  5. Step 5: Solve for x
    x = 135,076,843,486,594,608/309,619,316.61
  6. Step 6: Final answer
    x = 436,267,494.44

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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.