Home / 10,781,510,172.75-16,172,594,721.36-3,698,893,697.58

Finding the Fourth Proportional to 10,781,510,172.75, 16,172,594,721.36 and 3,698,893,697.58

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Solution

The fourth proportional to 10,781,510,172.75, 16,172,594,721.36 and 3,698,893,697.58 is: 5,548,453,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,510,172.75 : 16,172,594,721.36 = 3,698,893,697.58 : x
  2. Step 2: Convert to fraction form
    10,781,510,172.75/16,172,594,721.36 = 3,698,893,697.58/x
  3. Step 3: Cross multiply
    10,781,510,172.75x = 16,172,594,721.36 × 3,698,893,697.58
  4. Step 4: Simplify right side
    10,781,510,172.75x = 59,820,708,688,354,082,816
  5. Step 5: Solve for x
    x = 59,820,708,688,354,082,816/10,781,510,172.75
  6. Step 6: Final answer
    x = 5,548,453,577.45

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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.