Home / 409,834,571.10-565,570,017.27-221,663,075.10

Finding the Fourth Proportional to 409,834,571.10, 565,570,017.27 and 221,663,075.10

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Solution

The fourth proportional to 409,834,571.10, 565,570,017.27 and 221,663,075.10 is: 305,894,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,834,571.10 : 565,570,017.27 = 221,663,075.10 : x
  2. Step 2: Convert to fraction form
    409,834,571.10/565,570,017.27 = 221,663,075.10/x
  3. Step 3: Cross multiply
    409,834,571.10x = 565,570,017.27 × 221,663,075.10
  4. Step 4: Simplify right side
    409,834,571.10x = 125,365,989,212,428,304
  5. Step 5: Solve for x
    x = 125,365,989,212,428,304/409,834,571.10
  6. Step 6: Final answer
    x = 305,894,129.13

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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.