Home / 1,256,658,228,325.80-1,885,252,077,963.90-407,648,465,133.48

Finding the Fourth Proportional to 1,256,658,228,325.80, 1,885,252,077,963.90 and 407,648,465,133.48

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Solution

The fourth proportional to 1,256,658,228,325.80, 1,885,252,077,963.90 and 407,648,465,133.48 is: 611,558,575,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,658,228,325.80 : 1,885,252,077,963.90 = 407,648,465,133.48 : x
  2. Step 2: Convert to fraction form
    1,256,658,228,325.80/1,885,252,077,963.90 = 407,648,465,133.48/x
  3. Step 3: Cross multiply
    1,256,658,228,325.80x = 1,885,252,077,963.90 × 407,648,465,133.48
  4. Step 4: Simplify right side
    1,256,658,228,325.80x = 768,520,115,971,687,490,519,040
  5. Step 5: Solve for x
    x = 768,520,115,971,687,490,519,040/1,256,658,228,325.80
  6. Step 6: Final answer
    x = 611,558,575,473.27

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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.