Home / 607,392,003.60-911,088,005.40-400,767,742.80

Finding the Fourth Proportional to 607,392,003.60, 911,088,005.40 and 400,767,742.80

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Solution

The fourth proportional to 607,392,003.60, 911,088,005.40 and 400,767,742.80 is: 601,151,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,392,003.60 : 911,088,005.40 = 400,767,742.80 : x
  2. Step 2: Convert to fraction form
    607,392,003.60/911,088,005.40 = 400,767,742.80/x
  3. Step 3: Cross multiply
    607,392,003.60x = 911,088,005.40 × 400,767,742.80
  4. Step 4: Simplify right side
    607,392,003.60x = 365,134,683,416,312,192
  5. Step 5: Solve for x
    x = 365,134,683,416,312,192/607,392,003.60
  6. Step 6: Final answer
    x = 601,151,614.20

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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.