Home / 873,764,139.70-1,310,646,209.55-530,898,526.90

Finding the Fourth Proportional to 873,764,139.70, 1,310,646,209.55 and 530,898,526.90

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Solution

The fourth proportional to 873,764,139.70, 1,310,646,209.55 and 530,898,526.90 is: 796,347,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,764,139.70 : 1,310,646,209.55 = 530,898,526.90 : x
  2. Step 2: Convert to fraction form
    873,764,139.70/1,310,646,209.55 = 530,898,526.90/x
  3. Step 3: Cross multiply
    873,764,139.70x = 1,310,646,209.55 × 530,898,526.90
  4. Step 4: Simplify right side
    873,764,139.70x = 695,820,141,937,163,648
  5. Step 5: Solve for x
    x = 695,820,141,937,163,648/873,764,139.70
  6. Step 6: Final answer
    x = 796,347,790.35

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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.