Home / 421,604,315.64-581,832,137.37-233,432,613.10

Finding the Fourth Proportional to 421,604,315.64, 581,832,137.37 and 233,432,613.10

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Solution

The fourth proportional to 421,604,315.64, 581,832,137.37 and 233,432,613.10 is: 322,147,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,604,315.64 : 581,832,137.37 = 233,432,613.10 : x
  2. Step 2: Convert to fraction form
    421,604,315.64/581,832,137.37 = 233,432,613.10/x
  3. Step 3: Cross multiply
    421,604,315.64x = 581,832,137.37 × 233,432,613.10
  4. Step 4: Simplify right side
    421,604,315.64x = 135,818,596,211,837,264
  5. Step 5: Solve for x
    x = 135,818,596,211,837,264/421,604,315.64
  6. Step 6: Final answer
    x = 322,147,072.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.