Home / 526,999,847.03-727,267,742.45-288,843,126.01

Finding the Fourth Proportional to 526,999,847.03, 727,267,742.45 and 288,843,126.01

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Solution

The fourth proportional to 526,999,847.03, 727,267,742.45 and 288,843,126.01 is: 398,607,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,999,847.03 : 727,267,742.45 = 288,843,126.01 : x
  2. Step 2: Convert to fraction form
    526,999,847.03/727,267,742.45 = 288,843,126.01/x
  3. Step 3: Cross multiply
    526,999,847.03x = 727,267,742.45 × 288,843,126.01
  4. Step 4: Simplify right side
    526,999,847.03x = 210,066,288,173,929,664
  5. Step 5: Solve for x
    x = 210,066,288,173,929,664/526,999,847.03
  6. Step 6: Final answer
    x = 398,607,873.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.