Home / 902,073,123.40-1,353,109,685.10-442,908,099.40

Finding the Fourth Proportional to 902,073,123.40, 1,353,109,685.10 and 442,908,099.40

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Solution

The fourth proportional to 902,073,123.40, 1,353,109,685.10 and 442,908,099.40 is: 664,362,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,073,123.40 : 1,353,109,685.10 = 442,908,099.40 : x
  2. Step 2: Convert to fraction form
    902,073,123.40/1,353,109,685.10 = 442,908,099.40/x
  3. Step 3: Cross multiply
    902,073,123.40x = 1,353,109,685.10 × 442,908,099.40
  4. Step 4: Simplify right side
    902,073,123.40x = 599,303,238,907,373,440
  5. Step 5: Solve for x
    x = 599,303,238,907,373,440/902,073,123.40
  6. Step 6: Final answer
    x = 664,362,149.10

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1.5x scale

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.