Home / 726,862,029.20-1,090,293,043.80-436,624,384.40

Finding the Fourth Proportional to 726,862,029.20, 1,090,293,043.80 and 436,624,384.40

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Solution

The fourth proportional to 726,862,029.20, 1,090,293,043.80 and 436,624,384.40 is: 654,936,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,862,029.20 : 1,090,293,043.80 = 436,624,384.40 : x
  2. Step 2: Convert to fraction form
    726,862,029.20/1,090,293,043.80 = 436,624,384.40/x
  3. Step 3: Cross multiply
    726,862,029.20x = 1,090,293,043.80 × 436,624,384.40
  4. Step 4: Simplify right side
    726,862,029.20x = 476,048,529,064,777,216
  5. Step 5: Solve for x
    x = 476,048,529,064,777,216/726,862,029.20
  6. Step 6: Final answer
    x = 654,936,576.60

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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.