Home / 341,792,663.40-512,702,991.90-99,455,567.40

Finding the Fourth Proportional to 341,792,663.40, 512,702,991.90 and 99,455,567.40

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Solution

The fourth proportional to 341,792,663.40, 512,702,991.90 and 99,455,567.40 is: 149,187,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,792,663.40 : 512,702,991.90 = 99,455,567.40 : x
  2. Step 2: Convert to fraction form
    341,792,663.40/512,702,991.90 = 99,455,567.40/x
  3. Step 3: Cross multiply
    341,792,663.40x = 512,702,991.90 × 99,455,567.40
  4. Step 4: Simplify right side
    341,792,663.40x = 50,991,166,967,092,104
  5. Step 5: Solve for x
    x = 50,991,166,967,092,104/341,792,663.40
  6. Step 6: Final answer
    x = 149,187,423.92

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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.