Home / 786,750,941.50-1,179,544,622.69-475,789,425.40

Finding the Fourth Proportional to 786,750,941.50, 1,179,544,622.69 and 475,789,425.40

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Solution

The fourth proportional to 786,750,941.50, 1,179,544,622.69 and 475,789,425.40 is: 713,332,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,750,941.50 : 1,179,544,622.69 = 475,789,425.40 : x
  2. Step 2: Convert to fraction form
    786,750,941.50/1,179,544,622.69 = 475,789,425.40/x
  3. Step 3: Cross multiply
    786,750,941.50x = 1,179,544,622.69 × 475,789,425.40
  4. Step 4: Simplify right side
    786,750,941.50x = 561,214,858,266,010,688
  5. Step 5: Solve for x
    x = 561,214,858,266,010,688/786,750,941.50
  6. Step 6: Final answer
    x = 713,332,299.54

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1.5x scale

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.