Home / 1,005,045,964-1,507,569,496.80-459,404,860.48

Finding the Fourth Proportional to 1,005,045,964, 1,507,569,496.80 and 459,404,860.48

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Solution

The fourth proportional to 1,005,045,964, 1,507,569,496.80 and 459,404,860.48 is: 689,107,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,045,964 : 1,507,569,496.80 = 459,404,860.48 : x
  2. Step 2: Convert to fraction form
    1,005,045,964/1,507,569,496.80 = 459,404,860.48/x
  3. Step 3: Cross multiply
    1,005,045,964x = 1,507,569,496.80 × 459,404,860.48
  4. Step 4: Simplify right side
    1,005,045,964x = 692,584,754,341,307,776
  5. Step 5: Solve for x
    x = 692,584,754,341,307,776/1,005,045,964
  6. Step 6: Final answer
    x = 689,107,542.49

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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.