Home / 1,988,009,385.90-2,743,461,267.93-1,095,916,530.86

Finding the Fourth Proportional to 1,988,009,385.90, 2,743,461,267.93 and 1,095,916,530.86

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Solution

The fourth proportional to 1,988,009,385.90, 2,743,461,267.93 and 1,095,916,530.86 is: 1,512,369,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,009,385.90 : 2,743,461,267.93 = 1,095,916,530.86 : x
  2. Step 2: Convert to fraction form
    1,988,009,385.90/2,743,461,267.93 = 1,095,916,530.86/x
  3. Step 3: Cross multiply
    1,988,009,385.90x = 2,743,461,267.93 × 1,095,916,530.86
  4. Step 4: Simplify right side
    1,988,009,385.90x = 3,006,604,555,298,621,952
  5. Step 5: Solve for x
    x = 3,006,604,555,298,621,952/1,988,009,385.90
  6. Step 6: Final answer
    x = 1,512,369,396.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.