Home / 432,688,605.48-597,316,173.48-289,880,268.12

Finding the Fourth Proportional to 432,688,605.48, 597,316,173.48 and 289,880,268.12

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Solution

The fourth proportional to 432,688,605.48, 597,316,173.48 and 289,880,268.12 is: 400,172,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,688,605.48 : 597,316,173.48 = 289,880,268.12 : x
  2. Step 2: Convert to fraction form
    432,688,605.48/597,316,173.48 = 289,880,268.12/x
  3. Step 3: Cross multiply
    432,688,605.48x = 597,316,173.48 × 289,880,268.12
  4. Step 4: Simplify right side
    432,688,605.48x = 173,150,172,520,794,848
  5. Step 5: Solve for x
    x = 173,150,172,520,794,848/432,688,605.48
  6. Step 6: Final answer
    x = 400,172,711.57

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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.