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Finding the Fourth Proportional to 936,908,368.32, 1,405,656,256.32 and 563,823,340.32

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Solution

The fourth proportional to 936,908,368.32, 1,405,656,256.32 and 563,823,340.32 is: 845,911,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,908,368.32 : 1,405,656,256.32 = 563,823,340.32 : x
  2. Step 2: Convert to fraction form
    936,908,368.32/1,405,656,256.32 = 563,823,340.32/x
  3. Step 3: Cross multiply
    936,908,368.32x = 1,405,656,256.32 × 563,823,340.32
  4. Step 4: Simplify right side
    936,908,368.32x = 792,541,805,780,048,512
  5. Step 5: Solve for x
    x = 792,541,805,780,048,512/936,908,368.32
  6. Step 6: Final answer
    x = 845,911,758.91

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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.