Home / 466,207,287.21-643,362,110.45-257,358,945.83

Finding the Fourth Proportional to 466,207,287.21, 643,362,110.45 and 257,358,945.83

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Solution

The fourth proportional to 466,207,287.21, 643,362,110.45 and 257,358,945.83 is: 355,153,166.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,207,287.21 : 643,362,110.45 = 257,358,945.83 : x
  2. Step 2: Convert to fraction form
    466,207,287.21/643,362,110.45 = 257,358,945.83/x
  3. Step 3: Cross multiply
    466,207,287.21x = 643,362,110.45 × 257,358,945.83
  4. Step 4: Simplify right side
    466,207,287.21x = 165,574,994,527,872,416
  5. Step 5: Solve for x
    x = 165,574,994,527,872,416/466,207,287.21
  6. Step 6: Final answer
    x = 355,153,166.99

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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.