Home / 450,667,242.45-621,610,282.35-316,988,677.26

Finding the Fourth Proportional to 450,667,242.45, 621,610,282.35 and 316,988,677.26

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Solution

The fourth proportional to 450,667,242.45, 621,610,282.35 and 316,988,677.26 is: 437,225,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,667,242.45 : 621,610,282.35 = 316,988,677.26 : x
  2. Step 2: Convert to fraction form
    450,667,242.45/621,610,282.35 = 316,988,677.26/x
  3. Step 3: Cross multiply
    450,667,242.45x = 621,610,282.35 × 316,988,677.26
  4. Step 4: Simplify right side
    450,667,242.45x = 197,043,421,173,341,632
  5. Step 5: Solve for x
    x = 197,043,421,173,341,632/450,667,242.45
  6. Step 6: Final answer
    x = 437,225,967.66

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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.