Home / 5,270,157,929.81-7,905,255,372.81-1,339,864,510.64

Finding the Fourth Proportional to 5,270,157,929.81, 7,905,255,372.81 and 1,339,864,510.64

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Solution

The fourth proportional to 5,270,157,929.81, 7,905,255,372.81 and 1,339,864,510.64 is: 2,009,801,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270,157,929.81 : 7,905,255,372.81 = 1,339,864,510.64 : x
  2. Step 2: Convert to fraction form
    5,270,157,929.81/7,905,255,372.81 = 1,339,864,510.64/x
  3. Step 3: Cross multiply
    5,270,157,929.81x = 7,905,255,372.81 × 1,339,864,510.64
  4. Step 4: Simplify right side
    5,270,157,929.81x = 10,591,971,121,574,303,744
  5. Step 5: Solve for x
    x = 10,591,971,121,574,303,744/5,270,157,929.81
  6. Step 6: Final answer
    x = 2,009,801,463.76

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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.