Home / 1,072,939,583.70-1,480,669,971.19-649,547,624.88

Finding the Fourth Proportional to 1,072,939,583.70, 1,480,669,971.19 and 649,547,624.88

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Solution

The fourth proportional to 1,072,939,583.70, 1,480,669,971.19 and 649,547,624.88 is: 896,383,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,939,583.70 : 1,480,669,971.19 = 649,547,624.88 : x
  2. Step 2: Convert to fraction form
    1,072,939,583.70/1,480,669,971.19 = 649,547,624.88/x
  3. Step 3: Cross multiply
    1,072,939,583.70x = 1,480,669,971.19 × 649,547,624.88
  4. Step 4: Simplify right side
    1,072,939,583.70x = 961,765,663,015,978,624
  5. Step 5: Solve for x
    x = 961,765,663,015,978,624/1,072,939,583.70
  6. Step 6: Final answer
    x = 896,383,801.69

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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.