Home / 1,258,456,551.84-1,887,760,493.64-385,065,486.92

Finding the Fourth Proportional to 1,258,456,551.84, 1,887,760,493.64 and 385,065,486.92

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Solution

The fourth proportional to 1,258,456,551.84, 1,887,760,493.64 and 385,065,486.92 is: 577,621,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,456,551.84 : 1,887,760,493.64 = 385,065,486.92 : x
  2. Step 2: Convert to fraction form
    1,258,456,551.84/1,887,760,493.64 = 385,065,486.92/x
  3. Step 3: Cross multiply
    1,258,456,551.84x = 1,887,760,493.64 × 385,065,486.92
  4. Step 4: Simplify right side
    1,258,456,551.84x = 726,911,413,671,826,176
  5. Step 5: Solve for x
    x = 726,911,413,671,826,176/1,258,456,551.84
  6. Step 6: Final answer
    x = 577,621,382.80

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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.