Home / 1,254,759,980.64-1,731,559,198.12-690,232,706.47

Finding the Fourth Proportional to 1,254,759,980.64, 1,731,559,198.12 and 690,232,706.47

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Solution

The fourth proportional to 1,254,759,980.64, 1,731,559,198.12 and 690,232,706.47 is: 952,515,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,759,980.64 : 1,731,559,198.12 = 690,232,706.47 : x
  2. Step 2: Convert to fraction form
    1,254,759,980.64/1,731,559,198.12 = 690,232,706.47/x
  3. Step 3: Cross multiply
    1,254,759,980.64x = 1,731,559,198.12 × 690,232,706.47
  4. Step 4: Simplify right side
    1,254,759,980.64x = 1,195,178,791,731,829,504
  5. Step 5: Solve for x
    x = 1,195,178,791,731,829,504/1,254,759,980.64
  6. Step 6: Final answer
    x = 952,515,867.71

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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.