Home / 1,157,202,565.70-1,597,072,018.50-648,702,619.65

Finding the Fourth Proportional to 1,157,202,565.70, 1,597,072,018.50 and 648,702,619.65

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Solution

The fourth proportional to 1,157,202,565.70, 1,597,072,018.50 and 648,702,619.65 is: 895,283,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,202,565.70 : 1,597,072,018.50 = 648,702,619.65 : x
  2. Step 2: Convert to fraction form
    1,157,202,565.70/1,597,072,018.50 = 648,702,619.65/x
  3. Step 3: Cross multiply
    1,157,202,565.70x = 1,597,072,018.50 × 648,702,619.65
  4. Step 4: Simplify right side
    1,157,202,565.70x = 1,036,024,802,170,663,168
  5. Step 5: Solve for x
    x = 1,036,024,802,170,663,168/1,157,202,565.70
  6. Step 6: Final answer
    x = 895,283,879.32

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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.