Home / 1,210,809,465.83-1,670,916,998.89-653,892,459.23

Finding the Fourth Proportional to 1,210,809,465.83, 1,670,916,998.89 and 653,892,459.23

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Solution

The fourth proportional to 1,210,809,465.83, 1,670,916,998.89 and 653,892,459.23 is: 902,371,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,465.83 : 1,670,916,998.89 = 653,892,459.23 : x
  2. Step 2: Convert to fraction form
    1,210,809,465.83/1,670,916,998.89 = 653,892,459.23/x
  3. Step 3: Cross multiply
    1,210,809,465.83x = 1,670,916,998.89 × 653,892,459.23
  4. Step 4: Simplify right side
    1,210,809,465.83x = 1,092,600,025,578,420,480
  5. Step 5: Solve for x
    x = 1,092,600,025,578,420,480/1,210,809,465.83
  6. Step 6: Final answer
    x = 902,371,559.20

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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.