Home / 551,671,278.48-827,708,699.70-256,707,075.18

Finding the Fourth Proportional to 551,671,278.48, 827,708,699.70 and 256,707,075.18

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Solution

The fourth proportional to 551,671,278.48, 827,708,699.70 and 256,707,075.18 is: 385,154,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,671,278.48 : 827,708,699.70 = 256,707,075.18 : x
  2. Step 2: Convert to fraction form
    551,671,278.48/827,708,699.70 = 256,707,075.18/x
  3. Step 3: Cross multiply
    551,671,278.48x = 827,708,699.70 × 256,707,075.18
  4. Step 4: Simplify right side
    551,671,278.48x = 212,478,679,401,027,968
  5. Step 5: Solve for x
    x = 212,478,679,401,027,968/551,671,278.48
  6. Step 6: Final answer
    x = 385,154,507.20

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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.