Home / 1,005,045,966-1,507,569,499.80-459,404,862.48

Finding the Fourth Proportional to 1,005,045,966, 1,507,569,499.80 and 459,404,862.48

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Solution

The fourth proportional to 1,005,045,966, 1,507,569,499.80 and 459,404,862.48 is: 689,107,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,045,966 : 1,507,569,499.80 = 459,404,862.48 : x
  2. Step 2: Convert to fraction form
    1,005,045,966/1,507,569,499.80 = 459,404,862.48/x
  3. Step 3: Cross multiply
    1,005,045,966x = 1,507,569,499.80 × 459,404,862.48
  4. Step 4: Simplify right side
    1,005,045,966x = 692,584,758,734,661,376
  5. Step 5: Solve for x
    x = 692,584,758,734,661,376/1,005,045,966
  6. Step 6: Final answer
    x = 689,107,545.49

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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.