Home / 1,570,979,121.50-2,356,480,492.05-697,345,623.56

Finding the Fourth Proportional to 1,570,979,121.50, 2,356,480,492.05 and 697,345,623.56

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Solution

The fourth proportional to 1,570,979,121.50, 2,356,480,492.05 and 697,345,623.56 is: 1,046,023,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,979,121.50 : 2,356,480,492.05 = 697,345,623.56 : x
  2. Step 2: Convert to fraction form
    1,570,979,121.50/2,356,480,492.05 = 697,345,623.56/x
  3. Step 3: Cross multiply
    1,570,979,121.50x = 2,356,480,492.05 × 697,345,623.56
  4. Step 4: Simplify right side
    1,570,979,121.50x = 1,643,281,358,135,582,976
  5. Step 5: Solve for x
    x = 1,643,281,358,135,582,976/1,570,979,121.50
  6. Step 6: Final answer
    x = 1,046,023,677.62

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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.