Home / 291,085,333.60-436,628,000.40-145,541,358.40

Finding the Fourth Proportional to 291,085,333.60, 436,628,000.40 and 145,541,358.40

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Solution

The fourth proportional to 291,085,333.60, 436,628,000.40 and 145,541,358.40 is: 218,312,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,085,333.60 : 436,628,000.40 = 145,541,358.40 : x
  2. Step 2: Convert to fraction form
    291,085,333.60/436,628,000.40 = 145,541,358.40/x
  3. Step 3: Cross multiply
    291,085,333.60x = 436,628,000.40 × 145,541,358.40
  4. Step 4: Simplify right side
    291,085,333.60x = 63,547,432,293,691,744
  5. Step 5: Solve for x
    x = 63,547,432,293,691,744/291,085,333.60
  6. Step 6: Final answer
    x = 218,312,037.60

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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.