Home / 334,444,643.80-501,666,965.70-212,000,637.40

Finding the Fourth Proportional to 334,444,643.80, 501,666,965.70 and 212,000,637.40

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Solution

The fourth proportional to 334,444,643.80, 501,666,965.70 and 212,000,637.40 is: 318,000,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,444,643.80 : 501,666,965.70 = 212,000,637.40 : x
  2. Step 2: Convert to fraction form
    334,444,643.80/501,666,965.70 = 212,000,637.40/x
  3. Step 3: Cross multiply
    334,444,643.80x = 501,666,965.70 × 212,000,637.40
  4. Step 4: Simplify right side
    334,444,643.80x = 106,353,716,490,923,936
  5. Step 5: Solve for x
    x = 106,353,716,490,923,936/334,444,643.80
  6. Step 6: Final answer
    x = 318,000,956.10

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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.