Home / 354,322,769.60-531,484,154.40-163,219,793.60

Finding the Fourth Proportional to 354,322,769.60, 531,484,154.40 and 163,219,793.60

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Solution

The fourth proportional to 354,322,769.60, 531,484,154.40 and 163,219,793.60 is: 244,829,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,322,769.60 : 531,484,154.40 = 163,219,793.60 : x
  2. Step 2: Convert to fraction form
    354,322,769.60/531,484,154.40 = 163,219,793.60/x
  3. Step 3: Cross multiply
    354,322,769.60x = 531,484,154.40 × 163,219,793.60
  4. Step 4: Simplify right side
    354,322,769.60x = 86,748,733,982,838,528
  5. Step 5: Solve for x
    x = 86,748,733,982,838,528/354,322,769.60
  6. Step 6: Final answer
    x = 244,829,690.40

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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.