Home / 1,207,153,721.60-1,810,730,582.40-1,135,728,051.20

Finding the Fourth Proportional to 1,207,153,721.60, 1,810,730,582.40 and 1,135,728,051.20

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Solution

The fourth proportional to 1,207,153,721.60, 1,810,730,582.40 and 1,135,728,051.20 is: 1,703,592,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,153,721.60 : 1,810,730,582.40 = 1,135,728,051.20 : x
  2. Step 2: Convert to fraction form
    1,207,153,721.60/1,810,730,582.40 = 1,135,728,051.20/x
  3. Step 3: Cross multiply
    1,207,153,721.60x = 1,810,730,582.40 × 1,135,728,051.20
  4. Step 4: Simplify right side
    1,207,153,721.60x = 2,056,497,515,597,393,152
  5. Step 5: Solve for x
    x = 2,056,497,515,597,393,152/1,207,153,721.60
  6. Step 6: Final answer
    x = 1,703,592,076.80

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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.