Home / 466,011,746.15-643,109,843.86-254,332,153.71

Finding the Fourth Proportional to 466,011,746.15, 643,109,843.86 and 254,332,153.71

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Solution

The fourth proportional to 466,011,746.15, 643,109,843.86 and 254,332,153.71 is: 350,985,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,011,746.15 : 643,109,843.86 = 254,332,153.71 : x
  2. Step 2: Convert to fraction form
    466,011,746.15/643,109,843.86 = 254,332,153.71/x
  3. Step 3: Cross multiply
    466,011,746.15x = 643,109,843.86 × 254,332,153.71
  4. Step 4: Simplify right side
    466,011,746.15x = 163,563,511,660,379,776
  5. Step 5: Solve for x
    x = 163,563,511,660,379,776/466,011,746.15
  6. Step 6: Final answer
    x = 350,985,813.15

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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.