Home / 1,175,829,852.64-1,622,539,729.20-680,825,970.40

Finding the Fourth Proportional to 1,175,829,852.64, 1,622,539,729.20 and 680,825,970.40

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Solution

The fourth proportional to 1,175,829,852.64, 1,622,539,729.20 and 680,825,970.40 is: 939,478,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,829,852.64 : 1,622,539,729.20 = 680,825,970.40 : x
  2. Step 2: Convert to fraction form
    1,175,829,852.64/1,622,539,729.20 = 680,825,970.40/x
  3. Step 3: Cross multiply
    1,175,829,852.64x = 1,622,539,729.20 × 680,825,970.40
  4. Step 4: Simplify right side
    1,175,829,852.64x = 1,104,667,185,645,143,168
  5. Step 5: Solve for x
    x = 1,104,667,185,645,143,168/1,175,829,852.64
  6. Step 6: Final answer
    x = 939,478,771.66

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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.