Home / 1,256,658,228,324.80-1,885,252,077,962.40-407,648,465,132.48

Finding the Fourth Proportional to 1,256,658,228,324.80, 1,885,252,077,962.40 and 407,648,465,132.48

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Solution

The fourth proportional to 1,256,658,228,324.80, 1,885,252,077,962.40 and 407,648,465,132.48 is: 611,558,575,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,658,228,324.80 : 1,885,252,077,962.40 = 407,648,465,132.48 : x
  2. Step 2: Convert to fraction form
    1,256,658,228,324.80/1,885,252,077,962.40 = 407,648,465,132.48/x
  3. Step 3: Cross multiply
    1,256,658,228,324.80x = 1,885,252,077,962.40 × 407,648,465,132.48
  4. Step 4: Simplify right side
    1,256,658,228,324.80x = 768,520,115,969,190,772,342,784
  5. Step 5: Solve for x
    x = 768,520,115,969,190,772,342,784/1,256,658,228,324.80
  6. Step 6: Final answer
    x = 611,558,575,471.77

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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.