Home / 687,652,507,982.40-1,031,478,761,973.60-687,652,507,982.40

Finding the Fourth Proportional to 687,652,507,982.40, 1,031,478,761,973.60 and 687,652,507,982.40

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Solution

The fourth proportional to 687,652,507,982.40, 1,031,478,761,973.60 and 687,652,507,982.40 is: 1,031,478,761,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,652,507,982.40 : 1,031,478,761,973.60 = 687,652,507,982.40 : x
  2. Step 2: Convert to fraction form
    687,652,507,982.40/1,031,478,761,973.60 = 687,652,507,982.40/x
  3. Step 3: Cross multiply
    687,652,507,982.40x = 1,031,478,761,973.60 × 687,652,507,982.40
  4. Step 4: Simplify right side
    687,652,507,982.40x = 709,298,957,601,727,106,252,800
  5. Step 5: Solve for x
    x = 709,298,957,601,727,106,252,800/687,652,507,982.40
  6. Step 6: Final answer
    x = 1,031,478,761,973.60

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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.