Home / 2,123,645,416.49-3,185,595,810.89-649,797,994.40

Finding the Fourth Proportional to 2,123,645,416.49, 3,185,595,810.89 and 649,797,994.40

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Solution

The fourth proportional to 2,123,645,416.49, 3,185,595,810.89 and 649,797,994.40 is: 974,736,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,645,416.49 : 3,185,595,810.89 = 649,797,994.40 : x
  2. Step 2: Convert to fraction form
    2,123,645,416.49/3,185,595,810.89 = 649,797,994.40/x
  3. Step 3: Cross multiply
    2,123,645,416.49x = 3,185,595,810.89 × 649,797,994.40
  4. Step 4: Simplify right side
    2,123,645,416.49x = 2,069,993,768,894,952,192
  5. Step 5: Solve for x
    x = 2,069,993,768,894,952,192/2,123,645,416.49
  6. Step 6: Final answer
    x = 974,736,061.32

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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.