Home / 1,242,853,340.88-1,864,525,602.24-455,914,302.24

Finding the Fourth Proportional to 1,242,853,340.88, 1,864,525,602.24 and 455,914,302.24

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Solution

The fourth proportional to 1,242,853,340.88, 1,864,525,602.24 and 455,914,302.24 is: 683,961,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,853,340.88 : 1,864,525,602.24 = 455,914,302.24 : x
  2. Step 2: Convert to fraction form
    1,242,853,340.88/1,864,525,602.24 = 455,914,302.24/x
  3. Step 3: Cross multiply
    1,242,853,340.88x = 1,864,525,602.24 × 455,914,302.24
  4. Step 4: Simplify right side
    1,242,853,340.88x = 850,063,888,953,865,344
  5. Step 5: Solve for x
    x = 850,063,888,953,865,344/1,242,853,340.88
  6. Step 6: Final answer
    x = 683,961,543.16

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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.