Home / 977,509,374.30-1,467,964,672.65-518,344,350.30

Finding the Fourth Proportional to 977,509,374.30, 1,467,964,672.65 and 518,344,350.30

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Solution

The fourth proportional to 977,509,374.30, 1,467,964,672.65 and 518,344,350.30 is: 778,418,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,509,374.30 : 1,467,964,672.65 = 518,344,350.30 : x
  2. Step 2: Convert to fraction form
    977,509,374.30/1,467,964,672.65 = 518,344,350.30/x
  3. Step 3: Cross multiply
    977,509,374.30x = 1,467,964,672.65 × 518,344,350.30
  4. Step 4: Simplify right side
    977,509,374.30x = 760,911,194,508,116,480
  5. Step 5: Solve for x
    x = 760,911,194,508,116,480/977,509,374.30
  6. Step 6: Final answer
    x = 778,418,309.34

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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.