Home / 1,521,982,262.88-2,282,413,444.56-525,749,787.72

Finding the Fourth Proportional to 1,521,982,262.88, 2,282,413,444.56 and 525,749,787.72

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Solution

The fourth proportional to 1,521,982,262.88, 2,282,413,444.56 and 525,749,787.72 is: 788,431,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,982,262.88 : 2,282,413,444.56 = 525,749,787.72 : x
  2. Step 2: Convert to fraction form
    1,521,982,262.88/2,282,413,444.56 = 525,749,787.72/x
  3. Step 3: Cross multiply
    1,521,982,262.88x = 2,282,413,444.56 × 525,749,787.72
  4. Step 4: Simplify right side
    1,521,982,262.88x = 1,199,978,383,966,694,144
  5. Step 5: Solve for x
    x = 1,199,978,383,966,694,144/1,521,982,262.88
  6. Step 6: Final answer
    x = 788,431,253.92

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Half scale
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Double scale
Find fourth proportional to 1,521,982,263.88, 2,282,413,446.06 and 525,749,788.72
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1.5x scale

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.