Home / 404,522,988.46-558,144,642.27-245,749,937.74

Finding the Fourth Proportional to 404,522,988.46, 558,144,642.27 and 245,749,937.74

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Solution

The fourth proportional to 404,522,988.46, 558,144,642.27 and 245,749,937.74 is: 339,075,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,522,988.46 : 558,144,642.27 = 245,749,937.74 : x
  2. Step 2: Convert to fraction form
    404,522,988.46/558,144,642.27 = 245,749,937.74/x
  3. Step 3: Cross multiply
    404,522,988.46x = 558,144,642.27 × 245,749,937.74
  4. Step 4: Simplify right side
    404,522,988.46x = 137,164,011,087,767,072
  5. Step 5: Solve for x
    x = 137,164,011,087,767,072/404,522,988.46
  6. Step 6: Final answer
    x = 339,075,936.35

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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.