Home / 786,750,946.56-1,179,544,630.28-475,789,430.48

Finding the Fourth Proportional to 786,750,946.56, 1,179,544,630.28 and 475,789,430.48

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Solution

The fourth proportional to 786,750,946.56, 1,179,544,630.28 and 475,789,430.48 is: 713,332,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,750,946.56 : 1,179,544,630.28 = 475,789,430.48 : x
  2. Step 2: Convert to fraction form
    786,750,946.56/1,179,544,630.28 = 475,789,430.48/x
  3. Step 3: Cross multiply
    786,750,946.56x = 1,179,544,630.28 × 475,789,430.48
  4. Step 4: Simplify right side
    786,750,946.56x = 561,214,867,858,386,752
  5. Step 5: Solve for x
    x = 561,214,867,858,386,752/786,750,946.56
  6. Step 6: Final answer
    x = 713,332,307.15

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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.