Home / 775,811,606.16-1,071,230,033.43-624,624,009.06

Finding the Fourth Proportional to 775,811,606.16, 1,071,230,033.43 and 624,624,009.06

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Solution

The fourth proportional to 775,811,606.16, 1,071,230,033.43 and 624,624,009.06 is: 862,472,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,811,606.16 : 1,071,230,033.43 = 624,624,009.06 : x
  2. Step 2: Convert to fraction form
    775,811,606.16/1,071,230,033.43 = 624,624,009.06/x
  3. Step 3: Cross multiply
    775,811,606.16x = 1,071,230,033.43 × 624,624,009.06
  4. Step 4: Simplify right side
    775,811,606.16x = 669,115,998,106,524,288
  5. Step 5: Solve for x
    x = 669,115,998,106,524,288/775,811,606.16
  6. Step 6: Final answer
    x = 862,472,271.35

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1.5x scale

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.