Home / 495,226,228.80-741,075,746.40-431,232,859.20

Finding the Fourth Proportional to 495,226,228.80, 741,075,746.40 and 431,232,859.20

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Solution

The fourth proportional to 495,226,228.80, 741,075,746.40 and 431,232,859.20 is: 645,313,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,226,228.80 : 741,075,746.40 = 431,232,859.20 : x
  2. Step 2: Convert to fraction form
    495,226,228.80/741,075,746.40 = 431,232,859.20/x
  3. Step 3: Cross multiply
    495,226,228.80x = 741,075,746.40 × 431,232,859.20
  4. Step 4: Simplify right side
    495,226,228.80x = 319,576,213,003,846,080
  5. Step 5: Solve for x
    x = 319,576,213,003,846,080/495,226,228.80
  6. Step 6: Final answer
    x = 645,313,584.82

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1.5x scale

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.