Home / 830,147,342.30-1,145,610,955.08-472,909,824.52

Finding the Fourth Proportional to 830,147,342.30, 1,145,610,955.08 and 472,909,824.52

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Solution

The fourth proportional to 830,147,342.30, 1,145,610,955.08 and 472,909,824.52 is: 652,619,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,147,342.30 : 1,145,610,955.08 = 472,909,824.52 : x
  2. Step 2: Convert to fraction form
    830,147,342.30/1,145,610,955.08 = 472,909,824.52/x
  3. Step 3: Cross multiply
    830,147,342.30x = 1,145,610,955.08 × 472,909,824.52
  4. Step 4: Simplify right side
    830,147,342.30x = 541,770,675,735,072,320
  5. Step 5: Solve for x
    x = 541,770,675,735,072,320/830,147,342.30
  6. Step 6: Final answer
    x = 652,619,900.26

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1.5x scale

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.