Home / 977,580,817.30-1,468,071,837.15-518,415,793.30

Finding the Fourth Proportional to 977,580,817.30, 1,468,071,837.15 and 518,415,793.30

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Solution

The fourth proportional to 977,580,817.30, 1,468,071,837.15 and 518,415,793.30 is: 778,525,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,580,817.30 : 1,468,071,837.15 = 518,415,793.30 : x
  2. Step 2: Convert to fraction form
    977,580,817.30/1,468,071,837.15 = 518,415,793.30/x
  3. Step 3: Cross multiply
    977,580,817.30x = 1,468,071,837.15 × 518,415,793.30
  4. Step 4: Simplify right side
    977,580,817.30x = 761,071,626,077,505,792
  5. Step 5: Solve for x
    x = 761,071,626,077,505,792/977,580,817.30
  6. Step 6: Final answer
    x = 778,525,532.22

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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.