Home / 28,781,569,809.20-43,172,354,713.80-22,243,160,644.40

Finding the Fourth Proportional to 28,781,569,809.20, 43,172,354,713.80 and 22,243,160,644.40

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Solution

The fourth proportional to 28,781,569,809.20, 43,172,354,713.80 and 22,243,160,644.40 is: 33,364,740,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781,569,809.20 : 43,172,354,713.80 = 22,243,160,644.40 : x
  2. Step 2: Convert to fraction form
    28,781,569,809.20/43,172,354,713.80 = 22,243,160,644.40/x
  3. Step 3: Cross multiply
    28,781,569,809.20x = 43,172,354,713.80 × 22,243,160,644.40
  4. Step 4: Simplify right side
    28,781,569,809.20x = 960,289,621,296,073,146,368
  5. Step 5: Solve for x
    x = 960,289,621,296,073,146,368/28,781,569,809.20
  6. Step 6: Final answer
    x = 33,364,740,966.60

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1.5x scale

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.