Home / 999,747,410.08-1,379,569,547.78-570,582,583.24

Finding the Fourth Proportional to 999,747,410.08, 1,379,569,547.78 and 570,582,583.24

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Solution

The fourth proportional to 999,747,410.08, 1,379,569,547.78 and 570,582,583.24 is: 787,357,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,747,410.08 : 1,379,569,547.78 = 570,582,583.24 : x
  2. Step 2: Convert to fraction form
    999,747,410.08/1,379,569,547.78 = 570,582,583.24/x
  3. Step 3: Cross multiply
    999,747,410.08x = 1,379,569,547.78 × 570,582,583.24
  4. Step 4: Simplify right side
    999,747,410.08x = 787,158,356,331,550,976
  5. Step 5: Solve for x
    x = 787,158,356,331,550,976/999,747,410.08
  6. Step 6: Final answer
    x = 787,357,234.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.