Home / 786,724,424.76-1,085,651,246.54-434,292,845.88

Finding the Fourth Proportional to 786,724,424.76, 1,085,651,246.54 and 434,292,845.88

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Solution

The fourth proportional to 786,724,424.76, 1,085,651,246.54 and 434,292,845.88 is: 599,308,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,724,424.76 : 1,085,651,246.54 = 434,292,845.88 : x
  2. Step 2: Convert to fraction form
    786,724,424.76/1,085,651,246.54 = 434,292,845.88/x
  3. Step 3: Cross multiply
    786,724,424.76x = 1,085,651,246.54 × 434,292,845.88
  4. Step 4: Simplify right side
    786,724,424.76x = 471,490,569,493,026,112
  5. Step 5: Solve for x
    x = 471,490,569,493,026,112/786,724,424.76
  6. Step 6: Final answer
    x = 599,308,416.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.