Home / 2,628,319,068.43-3,942,488,711.39-636,357,808.88

Finding the Fourth Proportional to 2,628,319,068.43, 3,942,488,711.39 and 636,357,808.88

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Solution

The fourth proportional to 2,628,319,068.43, 3,942,488,711.39 and 636,357,808.88 is: 954,539,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,319,068.43 : 3,942,488,711.39 = 636,357,808.88 : x
  2. Step 2: Convert to fraction form
    2,628,319,068.43/3,942,488,711.39 = 636,357,808.88/x
  3. Step 3: Cross multiply
    2,628,319,068.43x = 3,942,488,711.39 × 636,357,808.88
  4. Step 4: Simplify right side
    2,628,319,068.43x = 2,508,833,477,909,728,768
  5. Step 5: Solve for x
    x = 2,508,833,477,909,728,768/2,628,319,068.43
  6. Step 6: Final answer
    x = 954,539,160.81

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1.5x scale

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.