Home / 1,980,435,957.42-2,970,752,609.25-753,699,485.10

Finding the Fourth Proportional to 1,980,435,957.42, 2,970,752,609.25 and 753,699,485.10

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Solution

The fourth proportional to 1,980,435,957.42, 2,970,752,609.25 and 753,699,485.10 is: 1,130,586,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,435,957.42 : 2,970,752,609.25 = 753,699,485.10 : x
  2. Step 2: Convert to fraction form
    1,980,435,957.42/2,970,752,609.25 = 753,699,485.10/x
  3. Step 3: Cross multiply
    1,980,435,957.42x = 2,970,752,609.25 × 753,699,485.10
  4. Step 4: Simplify right side
    1,980,435,957.42x = 2,239,054,711,951,206,656
  5. Step 5: Solve for x
    x = 2,239,054,711,951,206,656/1,980,435,957.42
  6. Step 6: Final answer
    x = 1,130,586,779.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.