Home / 1,272,011,218.94-1,908,017,525.51-581,434,197.30

Finding the Fourth Proportional to 1,272,011,218.94, 1,908,017,525.51 and 581,434,197.30

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Solution

The fourth proportional to 1,272,011,218.94, 1,908,017,525.51 and 581,434,197.30 is: 872,151,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,011,218.94 : 1,908,017,525.51 = 581,434,197.30 : x
  2. Step 2: Convert to fraction form
    1,272,011,218.94/1,908,017,525.51 = 581,434,197.30/x
  3. Step 3: Cross multiply
    1,272,011,218.94x = 1,908,017,525.51 × 581,434,197.30
  4. Step 4: Simplify right side
    1,272,011,218.94x = 1,109,386,638,379,239,040
  5. Step 5: Solve for x
    x = 1,109,386,638,379,239,040/1,272,011,218.94
  6. Step 6: Final answer
    x = 872,151,614.59

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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.