Home / 1,237,864,906,878.90-1,857,645,519,265.40-432,031,847,265.05

Finding the Fourth Proportional to 1,237,864,906,878.90, 1,857,645,519,265.40 and 432,031,847,265.05

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Solution

The fourth proportional to 1,237,864,906,878.90, 1,857,645,519,265.40 and 432,031,847,265.05 is: 648,343,790,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,864,906,878.90 : 1,857,645,519,265.40 = 432,031,847,265.05 : x
  2. Step 2: Convert to fraction form
    1,237,864,906,878.90/1,857,645,519,265.40 = 432,031,847,265.05/x
  3. Step 3: Cross multiply
    1,237,864,906,878.90x = 1,857,645,519,265.40 × 432,031,847,265.05
  4. Step 4: Simplify right side
    1,237,864,906,878.90x = 802,562,025,251,873,757,331,456
  5. Step 5: Solve for x
    x = 802,562,025,251,873,757,331,456/1,237,864,906,878.90
  6. Step 6: Final answer
    x = 648,343,790,014.55

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Double scale
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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.