Home / 2,623,741,365.60-3,937,123,702.80-989,139,074.40

Finding the Fourth Proportional to 2,623,741,365.60, 3,937,123,702.80 and 989,139,074.40

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Solution

The fourth proportional to 2,623,741,365.60, 3,937,123,702.80 and 989,139,074.40 is: 1,484,278,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623,741,365.60 : 3,937,123,702.80 = 989,139,074.40 : x
  2. Step 2: Convert to fraction form
    2,623,741,365.60/3,937,123,702.80 = 989,139,074.40/x
  3. Step 3: Cross multiply
    2,623,741,365.60x = 3,937,123,702.80 × 989,139,074.40
  4. Step 4: Simplify right side
    2,623,741,365.60x = 3,894,362,895,185,892,864
  5. Step 5: Solve for x
    x = 3,894,362,895,185,892,864/2,623,741,365.60
  6. Step 6: Final answer
    x = 1,484,278,498.73

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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.