Home / 1,187,153,155.08-1,780,744,887.50-313,746,977.34

Finding the Fourth Proportional to 1,187,153,155.08, 1,780,744,887.50 and 313,746,977.34

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Solution

The fourth proportional to 1,187,153,155.08, 1,780,744,887.50 and 313,746,977.34 is: 470,624,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,153,155.08 : 1,780,744,887.50 = 313,746,977.34 : x
  2. Step 2: Convert to fraction form
    1,187,153,155.08/1,780,744,887.50 = 313,746,977.34/x
  3. Step 3: Cross multiply
    1,187,153,155.08x = 1,780,744,887.50 × 313,746,977.34
  4. Step 4: Simplify right side
    1,187,153,155.08x = 558,703,325,866,783,296
  5. Step 5: Solve for x
    x = 558,703,325,866,783,296/1,187,153,155.08
  6. Step 6: Final answer
    x = 470,624,471.22

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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.