Home / 999,747,409.08-1,379,569,546.40-570,582,582.24

Finding the Fourth Proportional to 999,747,409.08, 1,379,569,546.40 and 570,582,582.24

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Solution

The fourth proportional to 999,747,409.08, 1,379,569,546.40 and 570,582,582.24 is: 787,357,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,747,409.08 : 1,379,569,546.40 = 570,582,582.24 : x
  2. Step 2: Convert to fraction form
    999,747,409.08/1,379,569,546.40 = 570,582,582.24/x
  3. Step 3: Cross multiply
    999,747,409.08x = 1,379,569,546.40 × 570,582,582.24
  4. Step 4: Simplify right side
    999,747,409.08x = 787,158,354,164,577,536
  5. Step 5: Solve for x
    x = 787,158,354,164,577,536/999,747,409.08
  6. Step 6: Final answer
    x = 787,357,233.45

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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.