Home / 1,186,852,175.12-1,780,535,355.48-357,736,461.92

Finding the Fourth Proportional to 1,186,852,175.12, 1,780,535,355.48 and 357,736,461.92

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Solution

The fourth proportional to 1,186,852,175.12, 1,780,535,355.48 and 357,736,461.92 is: 536,682,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,852,175.12 : 1,780,535,355.48 = 357,736,461.92 : x
  2. Step 2: Convert to fraction form
    1,186,852,175.12/1,780,535,355.48 = 357,736,461.92/x
  3. Step 3: Cross multiply
    1,186,852,175.12x = 1,780,535,355.48 × 357,736,461.92
  4. Step 4: Simplify right side
    1,186,852,175.12x = 636,962,418,392,884,736
  5. Step 5: Solve for x
    x = 636,962,418,392,884,736/1,186,852,175.12
  6. Step 6: Final answer
    x = 536,682,184.81

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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.