Home / 1,210,809,467.52-1,670,917,001.22-653,892,460.92

Finding the Fourth Proportional to 1,210,809,467.52, 1,670,917,001.22 and 653,892,460.92

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Solution

The fourth proportional to 1,210,809,467.52, 1,670,917,001.22 and 653,892,460.92 is: 902,371,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,467.52 : 1,670,917,001.22 = 653,892,460.92 : x
  2. Step 2: Convert to fraction form
    1,210,809,467.52/1,670,917,001.22 = 653,892,460.92/x
  3. Step 3: Cross multiply
    1,210,809,467.52x = 1,670,917,001.22 × 653,892,460.92
  4. Step 4: Simplify right side
    1,210,809,467.52x = 1,092,600,029,920,812,416
  5. Step 5: Solve for x
    x = 1,092,600,029,920,812,416/1,210,809,467.52
  6. Step 6: Final answer
    x = 902,371,561.53

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Double scale
Find fourth proportional to 1,210,809,468.52, 1,670,917,002.60 and 653,892,461.92
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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.