Home / 1,188,804,530.60-1,783,206,795.90-637,806,501.80

Finding the Fourth Proportional to 1,188,804,530.60, 1,783,206,795.90 and 637,806,501.80

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Solution

The fourth proportional to 1,188,804,530.60, 1,783,206,795.90 and 637,806,501.80 is: 956,709,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,804,530.60 : 1,783,206,795.90 = 637,806,501.80 : x
  2. Step 2: Convert to fraction form
    1,188,804,530.60/1,783,206,795.90 = 637,806,501.80/x
  3. Step 3: Cross multiply
    1,188,804,530.60x = 1,783,206,795.90 × 637,806,501.80
  4. Step 4: Simplify right side
    1,188,804,530.60x = 1,137,340,888,478,965,504
  5. Step 5: Solve for x
    x = 1,137,340,888,478,965,504/1,188,804,530.60
  6. Step 6: Final answer
    x = 956,709,752.70

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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.