Home / 1,295,896,130.65-1,788,335,504.81-731,499,810.85

Finding the Fourth Proportional to 1,295,896,130.65, 1,788,335,504.81 and 731,499,810.85

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Solution

The fourth proportional to 1,295,896,130.65, 1,788,335,504.81 and 731,499,810.85 is: 1,009,469,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,896,130.65 : 1,788,335,504.81 = 731,499,810.85 : x
  2. Step 2: Convert to fraction form
    1,295,896,130.65/1,788,335,504.81 = 731,499,810.85/x
  3. Step 3: Cross multiply
    1,295,896,130.65x = 1,788,335,504.81 × 731,499,810.85
  4. Step 4: Simplify right side
    1,295,896,130.65x = 1,308,167,083,501,196,800
  5. Step 5: Solve for x
    x = 1,308,167,083,501,196,800/1,295,896,130.65
  6. Step 6: Final answer
    x = 1,009,469,086.73

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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.