Home / 475,263,329,912.80-712,650,106,856.40-176,989,730,322.40

Finding the Fourth Proportional to 475,263,329,912.80, 712,650,106,856.40 and 176,989,730,322.40

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Solution

The fourth proportional to 475,263,329,912.80, 712,650,106,856.40 and 176,989,730,322.40 is: 265,393,398,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,263,329,912.80 : 712,650,106,856.40 = 176,989,730,322.40 : x
  2. Step 2: Convert to fraction form
    475,263,329,912.80/712,650,106,856.40 = 176,989,730,322.40/x
  3. Step 3: Cross multiply
    475,263,329,912.80x = 712,650,106,856.40 × 176,989,730,322.40
  4. Step 4: Simplify right side
    475,263,329,912.80x = 126,131,750,226,743,781,228,544
  5. Step 5: Solve for x
    x = 126,131,750,226,743,781,228,544/475,263,329,912.80
  6. Step 6: Final answer
    x = 265,393,398,329.06

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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.