Home / 1,543,608,368.40-2,130,193,002.42-838,760,347.44

Finding the Fourth Proportional to 1,543,608,368.40, 2,130,193,002.42 and 838,760,347.44

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Solution

The fourth proportional to 1,543,608,368.40, 2,130,193,002.42 and 838,760,347.44 is: 1,157,496,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,608,368.40 : 2,130,193,002.42 = 838,760,347.44 : x
  2. Step 2: Convert to fraction form
    1,543,608,368.40/2,130,193,002.42 = 838,760,347.44/x
  3. Step 3: Cross multiply
    1,543,608,368.40x = 2,130,193,002.42 × 838,760,347.44
  4. Step 4: Simplify right side
    1,543,608,368.40x = 1,786,721,422,824,056,064
  5. Step 5: Solve for x
    x = 1,786,721,422,824,056,064/1,543,608,368.40
  6. Step 6: Final answer
    x = 1,157,496,590.07

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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.