Home / 775,811,607.16-1,071,230,034.81-624,624,010.06

Finding the Fourth Proportional to 775,811,607.16, 1,071,230,034.81 and 624,624,010.06

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Solution

The fourth proportional to 775,811,607.16, 1,071,230,034.81 and 624,624,010.06 is: 862,472,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,811,607.16 : 1,071,230,034.81 = 624,624,010.06 : x
  2. Step 2: Convert to fraction form
    775,811,607.16/1,071,230,034.81 = 624,624,010.06/x
  3. Step 3: Cross multiply
    775,811,607.16x = 1,071,230,034.81 × 624,624,010.06
  4. Step 4: Simplify right side
    775,811,607.16x = 669,116,000,039,735,552
  5. Step 5: Solve for x
    x = 669,116,000,039,735,552/775,811,607.16
  6. Step 6: Final answer
    x = 862,472,272.73

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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.