Home / 1,507,370,669.73-2,078,727,888.98-997,926,947.73

Finding the Fourth Proportional to 1,507,370,669.73, 2,078,727,888.98 and 997,926,947.73

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Solution

The fourth proportional to 1,507,370,669.73, 2,078,727,888.98 and 997,926,947.73 is: 1,376,183,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,370,669.73 : 2,078,727,888.98 = 997,926,947.73 : x
  2. Step 2: Convert to fraction form
    1,507,370,669.73/2,078,727,888.98 = 997,926,947.73/x
  3. Step 3: Cross multiply
    1,507,370,669.73x = 2,078,727,888.98 × 997,926,947.73
  4. Step 4: Simplify right side
    1,507,370,669.73x = 2,074,418,577,406,048,000
  5. Step 5: Solve for x
    x = 2,074,418,577,406,048,000/1,507,370,669.73
  6. Step 6: Final answer
    x = 1,376,183,455.78

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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.