Home / 907,871,917.16-1,252,824,536.05-505,964,279.88

Finding the Fourth Proportional to 907,871,917.16, 1,252,824,536.05 and 505,964,279.88

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Solution

The fourth proportional to 907,871,917.16, 1,252,824,536.05 and 505,964,279.88 is: 698,209,133.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,871,917.16 : 1,252,824,536.05 = 505,964,279.88 : x
  2. Step 2: Convert to fraction form
    907,871,917.16/1,252,824,536.05 = 505,964,279.88/x
  3. Step 3: Cross multiply
    907,871,917.16x = 1,252,824,536.05 × 505,964,279.88
  4. Step 4: Simplify right side
    907,871,917.16x = 633,884,464,197,268,352
  5. Step 5: Solve for x
    x = 633,884,464,197,268,352/907,871,917.16
  6. Step 6: Final answer
    x = 698,209,133.04

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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.