Home / 1,071,475,210.66-1,478,302,201.80-619,188,404.95

Finding the Fourth Proportional to 1,071,475,210.66, 1,478,302,201.80 and 619,188,404.95

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Solution

The fourth proportional to 1,071,475,210.66, 1,478,302,201.80 and 619,188,404.95 is: 854,287,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,475,210.66 : 1,478,302,201.80 = 619,188,404.95 : x
  2. Step 2: Convert to fraction form
    1,071,475,210.66/1,478,302,201.80 = 619,188,404.95/x
  3. Step 3: Cross multiply
    1,071,475,210.66x = 1,478,302,201.80 × 619,188,404.95
  4. Step 4: Simplify right side
    1,071,475,210.66x = 915,347,582,366,615,040
  5. Step 5: Solve for x
    x = 915,347,582,366,615,040/1,071,475,210.66
  6. Step 6: Final answer
    x = 854,287,223.13

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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.