Home / 1,254,745,263.28-1,731,538,907.67-690,218,019.94

Finding the Fourth Proportional to 1,254,745,263.28, 1,731,538,907.67 and 690,218,019.94

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Solution

The fourth proportional to 1,254,745,263.28, 1,731,538,907.67 and 690,218,019.94 is: 952,495,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,745,263.28 : 1,731,538,907.67 = 690,218,019.94 : x
  2. Step 2: Convert to fraction form
    1,254,745,263.28/1,731,538,907.67 = 690,218,019.94/x
  3. Step 3: Cross multiply
    1,254,745,263.28x = 1,731,538,907.67 × 690,218,019.94
  4. Step 4: Simplify right side
    1,254,745,263.28x = 1,195,139,356,301,058,048
  5. Step 5: Solve for x
    x = 1,195,139,356,301,058,048/1,254,745,263.28
  6. Step 6: Final answer
    x = 952,495,611.08

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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.