Home / 834,365,440.32-1,151,635,962.24-570,154,378.56

Finding the Fourth Proportional to 834,365,440.32, 1,151,635,962.24 and 570,154,378.56

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Solution

The fourth proportional to 834,365,440.32, 1,151,635,962.24 and 570,154,378.56 is: 786,957,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,365,440.32 : 1,151,635,962.24 = 570,154,378.56 : x
  2. Step 2: Convert to fraction form
    834,365,440.32/1,151,635,962.24 = 570,154,378.56/x
  3. Step 3: Cross multiply
    834,365,440.32x = 1,151,635,962.24 × 570,154,378.56
  4. Step 4: Simplify right side
    834,365,440.32x = 656,610,286,378,294,784
  5. Step 5: Solve for x
    x = 656,610,286,378,294,784/834,365,440.32
  6. Step 6: Final answer
    x = 786,957,674.24

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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.