Home / 1,612,446,349.89-2,225,034,037.09-897,927,911.20

Finding the Fourth Proportional to 1,612,446,349.89, 2,225,034,037.09 and 897,927,911.20

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Solution

The fourth proportional to 1,612,446,349.89, 2,225,034,037.09 and 897,927,911.20 is: 1,239,061,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,446,349.89 : 2,225,034,037.09 = 897,927,911.20 : x
  2. Step 2: Convert to fraction form
    1,612,446,349.89/2,225,034,037.09 = 897,927,911.20/x
  3. Step 3: Cross multiply
    1,612,446,349.89x = 2,225,034,037.09 × 897,927,911.20
  4. Step 4: Simplify right side
    1,612,446,349.89x = 1,997,920,165,273,127,168
  5. Step 5: Solve for x
    x = 1,997,920,165,273,127,168/1,612,446,349.89
  6. Step 6: Final answer
    x = 1,239,061,482.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.