Home / 1,243,349,447.56-1,716,596,589.02-791,482,374.80

Finding the Fourth Proportional to 1,243,349,447.56, 1,716,596,589.02 and 791,482,374.80

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Solution

The fourth proportional to 1,243,349,447.56, 1,716,596,589.02 and 791,482,374.80 is: 1,092,738,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,349,447.56 : 1,716,596,589.02 = 791,482,374.80 : x
  2. Step 2: Convert to fraction form
    1,243,349,447.56/1,716,596,589.02 = 791,482,374.80/x
  3. Step 3: Cross multiply
    1,243,349,447.56x = 1,716,596,589.02 × 791,482,374.80
  4. Step 4: Simplify right side
    1,243,349,447.56x = 1,358,655,944,851,129,088
  5. Step 5: Solve for x
    x = 1,358,655,944,851,129,088/1,243,349,447.56
  6. Step 6: Final answer
    x = 1,092,738,608.21

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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.