Home / 786,764,426.84-1,085,706,469.04-434,332,865.10

Finding the Fourth Proportional to 786,764,426.84, 1,085,706,469.04 and 434,332,865.10

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Solution

The fourth proportional to 786,764,426.84, 1,085,706,469.04 and 434,332,865.10 is: 599,363,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,764,426.84 : 1,085,706,469.04 = 434,332,865.10 : x
  2. Step 2: Convert to fraction form
    786,764,426.84/1,085,706,469.04 = 434,332,865.10/x
  3. Step 3: Cross multiply
    786,764,426.84x = 1,085,706,469.04 × 434,332,865.10
  4. Step 4: Simplify right side
    786,764,426.84x = 471,558,001,355,747,648
  5. Step 5: Solve for x
    x = 471,558,001,355,747,648/786,764,426.84
  6. Step 6: Final answer
    x = 599,363,653.55

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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.