Home / 1,216,123,971.60-1,824,185,957.40-699,563,319.60

Finding the Fourth Proportional to 1,216,123,971.60, 1,824,185,957.40 and 699,563,319.60

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Solution

The fourth proportional to 1,216,123,971.60, 1,824,185,957.40 and 699,563,319.60 is: 1,049,344,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,123,971.60 : 1,824,185,957.40 = 699,563,319.60 : x
  2. Step 2: Convert to fraction form
    1,216,123,971.60/1,824,185,957.40 = 699,563,319.60/x
  3. Step 3: Cross multiply
    1,216,123,971.60x = 1,824,185,957.40 × 699,563,319.60
  4. Step 4: Simplify right side
    1,216,123,971.60x = 1,276,133,583,926,448,384
  5. Step 5: Solve for x
    x = 1,276,133,583,926,448,384/1,216,123,971.60
  6. Step 6: Final answer
    x = 1,049,344,979.40

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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.