Home / 977,509,383.30-1,467,964,686.15-518,344,359.30

Finding the Fourth Proportional to 977,509,383.30, 1,467,964,686.15 and 518,344,359.30

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Solution

The fourth proportional to 977,509,383.30, 1,467,964,686.15 and 518,344,359.30 is: 778,418,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,509,383.30 : 1,467,964,686.15 = 518,344,359.30 : x
  2. Step 2: Convert to fraction form
    977,509,383.30/1,467,964,686.15 = 518,344,359.30/x
  3. Step 3: Cross multiply
    977,509,383.30x = 1,467,964,686.15 × 518,344,359.30
  4. Step 4: Simplify right side
    977,509,383.30x = 760,911,214,717,447,424
  5. Step 5: Solve for x
    x = 760,911,214,717,447,424/977,509,383.30
  6. Step 6: Final answer
    x = 778,418,322.85

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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.