Home / 942,071,982.09-1,413,318,732.02-287,074,271.13

Finding the Fourth Proportional to 942,071,982.09, 1,413,318,732.02 and 287,074,271.13

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Solution

The fourth proportional to 942,071,982.09, 1,413,318,732.02 and 287,074,271.13 is: 430,675,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,071,982.09 : 1,413,318,732.02 = 287,074,271.13 : x
  2. Step 2: Convert to fraction form
    942,071,982.09/1,413,318,732.02 = 287,074,271.13/x
  3. Step 3: Cross multiply
    942,071,982.09x = 1,413,318,732.02 × 287,074,271.13
  4. Step 4: Simplify right side
    942,071,982.09x = 405,727,444,869,017,280
  5. Step 5: Solve for x
    x = 405,727,444,869,017,280/942,071,982.09
  6. Step 6: Final answer
    x = 430,675,630.51

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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.