Home / 775,811,608.16-1,071,230,036.20-624,624,011.06

Finding the Fourth Proportional to 775,811,608.16, 1,071,230,036.20 and 624,624,011.06

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Solution

The fourth proportional to 775,811,608.16, 1,071,230,036.20 and 624,624,011.06 is: 862,472,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,811,608.16 : 1,071,230,036.20 = 624,624,011.06 : x
  2. Step 2: Convert to fraction form
    775,811,608.16/1,071,230,036.20 = 624,624,011.06/x
  3. Step 3: Cross multiply
    775,811,608.16x = 1,071,230,036.20 × 624,624,011.06
  4. Step 4: Simplify right side
    775,811,608.16x = 669,116,001,979,192,960
  5. Step 5: Solve for x
    x = 669,116,001,979,192,960/775,811,608.16
  6. Step 6: Final answer
    x = 862,472,274.12

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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.