Home / 1,210,809,507.52-1,670,917,056.42-653,892,500.92

Finding the Fourth Proportional to 1,210,809,507.52, 1,670,917,056.42 and 653,892,500.92

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Solution

The fourth proportional to 1,210,809,507.52, 1,670,917,056.42 and 653,892,500.92 is: 902,371,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,809,507.52 : 1,670,917,056.42 = 653,892,500.92 : x
  2. Step 2: Convert to fraction form
    1,210,809,507.52/1,670,917,056.42 = 653,892,500.92/x
  3. Step 3: Cross multiply
    1,210,809,507.52x = 1,670,917,056.42 × 653,892,500.92
  4. Step 4: Simplify right side
    1,210,809,507.52x = 1,092,600,132,852,358,528
  5. Step 5: Solve for x
    x = 1,092,600,132,852,358,528/1,210,809,507.52
  6. Step 6: Final answer
    x = 902,371,616.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.