Home / 1,210,809,470.77-1,670,917,005.71-653,892,464.17

Finding the Fourth Proportional to 1,210,809,470.77, 1,670,917,005.71 and 653,892,464.17

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Solution

The fourth proportional to 1,210,809,470.77, 1,670,917,005.71 and 653,892,464.17 is: 902,371,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,470.77 : 1,670,917,005.71 = 653,892,464.17 : x
  2. Step 2: Convert to fraction form
    1,210,809,470.77/1,670,917,005.71 = 653,892,464.17/x
  3. Step 3: Cross multiply
    1,210,809,470.77x = 1,670,917,005.71 × 653,892,464.17
  4. Step 4: Simplify right side
    1,210,809,470.77x = 1,092,600,038,287,269,760
  5. Step 5: Solve for x
    x = 1,092,600,038,287,269,760/1,210,809,470.77
  6. Step 6: Final answer
    x = 902,371,566.02

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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.