Home / 840,146,311.44-1,159,466,011.44-463,875,440.04

Finding the Fourth Proportional to 840,146,311.44, 1,159,466,011.44 and 463,875,440.04

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Solution

The fourth proportional to 840,146,311.44, 1,159,466,011.44 and 463,875,440.04 is: 640,183,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,146,311.44 : 1,159,466,011.44 = 463,875,440.04 : x
  2. Step 2: Convert to fraction form
    840,146,311.44/1,159,466,011.44 = 463,875,440.04/x
  3. Step 3: Cross multiply
    840,146,311.44x = 1,159,466,011.44 × 463,875,440.04
  4. Step 4: Simplify right side
    840,146,311.44x = 537,847,806,268,153,728
  5. Step 5: Solve for x
    x = 537,847,806,268,153,728/840,146,311.44
  6. Step 6: Final answer
    x = 640,183,500.12

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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.