Home / 646,041,103.71-891,532,188.14-352,685,671.71

Finding the Fourth Proportional to 646,041,103.71, 891,532,188.14 and 352,685,671.71

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Solution

The fourth proportional to 646,041,103.71, 891,532,188.14 and 352,685,671.71 is: 486,703,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,041,103.71 : 891,532,188.14 = 352,685,671.71 : x
  2. Step 2: Convert to fraction form
    646,041,103.71/891,532,188.14 = 352,685,671.71/x
  3. Step 3: Cross multiply
    646,041,103.71x = 891,532,188.14 × 352,685,671.71
  4. Step 4: Simplify right side
    646,041,103.71x = 314,430,628,625,241,984
  5. Step 5: Solve for x
    x = 314,430,628,625,241,984/646,041,103.71
  6. Step 6: Final answer
    x = 486,703,751.23

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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.