Home / 687,748,518.40-1,031,622,777.60-598,168,998.40

Finding the Fourth Proportional to 687,748,518.40, 1,031,622,777.60 and 598,168,998.40

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Solution

The fourth proportional to 687,748,518.40, 1,031,622,777.60 and 598,168,998.40 is: 897,253,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,748,518.40 : 1,031,622,777.60 = 598,168,998.40 : x
  2. Step 2: Convert to fraction form
    687,748,518.40/1,031,622,777.60 = 598,168,998.40/x
  3. Step 3: Cross multiply
    687,748,518.40x = 1,031,622,777.60 × 598,168,998.40
  4. Step 4: Simplify right side
    687,748,518.40x = 617,084,763,603,617,920
  5. Step 5: Solve for x
    x = 617,084,763,603,617,920/687,748,518.40
  6. Step 6: Final answer
    x = 897,253,497.60

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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.