Home / 435,525,683.04-653,416,069.32-128,825,963.28

Finding the Fourth Proportional to 435,525,683.04, 653,416,069.32 and 128,825,963.28

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Solution

The fourth proportional to 435,525,683.04, 653,416,069.32 and 128,825,963.28 is: 193,276,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,525,683.04 : 653,416,069.32 = 128,825,963.28 : x
  2. Step 2: Convert to fraction form
    435,525,683.04/653,416,069.32 = 128,825,963.28/x
  3. Step 3: Cross multiply
    435,525,683.04x = 653,416,069.32 × 128,825,963.28
  4. Step 4: Simplify right side
    435,525,683.04x = 84,176,954,552,780,256
  5. Step 5: Solve for x
    x = 84,176,954,552,780,256/435,525,683.04
  6. Step 6: Final answer
    x = 193,276,671.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.