Home / 1,210,809,604.88-1,670,917,190.28-653,892,597.92

Finding the Fourth Proportional to 1,210,809,604.88, 1,670,917,190.28 and 653,892,597.92

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Solution

The fourth proportional to 1,210,809,604.88, 1,670,917,190.28 and 653,892,597.92 is: 902,371,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,604.88 : 1,670,917,190.28 = 653,892,597.92 : x
  2. Step 2: Convert to fraction form
    1,210,809,604.88/1,670,917,190.28 = 653,892,597.92/x
  3. Step 3: Cross multiply
    1,210,809,604.88x = 1,670,917,190.28 × 653,892,597.92
  4. Step 4: Simplify right side
    1,210,809,604.88x = 1,092,600,382,461,376,128
  5. Step 5: Solve for x
    x = 1,092,600,382,461,376,128/1,210,809,604.88
  6. Step 6: Final answer
    x = 902,371,750.32

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Double scale
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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.