Home / 791,211,075.62-1,186,925,750.73-459,374,363.03

Finding the Fourth Proportional to 791,211,075.62, 1,186,925,750.73 and 459,374,363.03

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Solution

The fourth proportional to 791,211,075.62, 1,186,925,750.73 and 459,374,363.03 is: 689,124,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,211,075.62 : 1,186,925,750.73 = 459,374,363.03 : x
  2. Step 2: Convert to fraction form
    791,211,075.62/1,186,925,750.73 = 459,374,363.03/x
  3. Step 3: Cross multiply
    791,211,075.62x = 1,186,925,750.73 × 459,374,363.03
  4. Step 4: Simplify right side
    791,211,075.62x = 545,243,260,708,489,344
  5. Step 5: Solve for x
    x = 545,243,260,708,489,344/791,211,075.62
  6. Step 6: Final answer
    x = 689,124,909.28

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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.