Home / 1,210,809,469.77-1,670,917,004.33-653,892,463.17

Finding the Fourth Proportional to 1,210,809,469.77, 1,670,917,004.33 and 653,892,463.17

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Solution

The fourth proportional to 1,210,809,469.77, 1,670,917,004.33 and 653,892,463.17 is: 902,371,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,469.77 : 1,670,917,004.33 = 653,892,463.17 : x
  2. Step 2: Convert to fraction form
    1,210,809,469.77/1,670,917,004.33 = 653,892,463.17/x
  3. Step 3: Cross multiply
    1,210,809,469.77x = 1,670,917,004.33 × 653,892,463.17
  4. Step 4: Simplify right side
    1,210,809,469.77x = 1,092,600,035,710,711,808
  5. Step 5: Solve for x
    x = 1,092,600,035,710,711,808/1,210,809,469.77
  6. Step 6: Final answer
    x = 902,371,564.63

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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.