Home / 907,871,927.28-1,252,824,549.90-505,964,290

Finding the Fourth Proportional to 907,871,927.28, 1,252,824,549.90 and 505,964,290

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Solution

The fourth proportional to 907,871,927.28, 1,252,824,549.90 and 505,964,290 is: 698,209,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,871,927.28 : 1,252,824,549.90 = 505,964,290 : x
  2. Step 2: Convert to fraction form
    907,871,927.28/1,252,824,549.90 = 505,964,290/x
  3. Step 3: Cross multiply
    907,871,927.28x = 1,252,824,549.90 × 505,964,290
  4. Step 4: Simplify right side
    907,871,927.28x = 633,884,483,884,723,072
  5. Step 5: Solve for x
    x = 633,884,483,884,723,072/907,871,927.28
  6. Step 6: Final answer
    x = 698,209,146.95

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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.