Home / 881,014,851,671-1,215,800,553,771.50-490,373,032,065.66

Finding the Fourth Proportional to 881,014,851,671, 1,215,800,553,771.50 and 490,373,032,065.66

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Solution

The fourth proportional to 881,014,851,671, 1,215,800,553,771.50 and 490,373,032,065.66 is: 676,714,816,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014,851,671 : 1,215,800,553,771.50 = 490,373,032,065.66 : x
  2. Step 2: Convert to fraction form
    881,014,851,671/1,215,800,553,771.50 = 490,373,032,065.66/x
  3. Step 3: Cross multiply
    881,014,851,671x = 1,215,800,553,771.50 × 490,373,032,065.66
  4. Step 4: Simplify right side
    881,014,851,671x = 596,195,803,940,038,949,994,496
  5. Step 5: Solve for x
    x = 596,195,803,940,038,949,994,496/881,014,851,671
  6. Step 6: Final answer
    x = 676,714,816,792.53

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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.