Home / 409,668,306.68-565,386,075.41-251,003,726.91

Finding the Fourth Proportional to 409,668,306.68, 565,386,075.41 and 251,003,726.91

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Solution

The fourth proportional to 409,668,306.68, 565,386,075.41 and 251,003,726.91 is: 346,411,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,668,306.68 : 565,386,075.41 = 251,003,726.91 : x
  2. Step 2: Convert to fraction form
    409,668,306.68/565,386,075.41 = 251,003,726.91/x
  3. Step 3: Cross multiply
    409,668,306.68x = 565,386,075.41 × 251,003,726.91
  4. Step 4: Simplify right side
    409,668,306.68x = 141,914,012,069,673,280
  5. Step 5: Solve for x
    x = 141,914,012,069,673,280/409,668,306.68
  6. Step 6: Final answer
    x = 346,411,986.86

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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.