Home / 1,048,608,660.40-1,573,290,904.20-435,632,801.20

Finding the Fourth Proportional to 1,048,608,660.40, 1,573,290,904.20 and 435,632,801.20

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Solution

The fourth proportional to 1,048,608,660.40, 1,573,290,904.20 and 435,632,801.20 is: 653,606,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,608,660.40 : 1,573,290,904.20 = 435,632,801.20 : x
  2. Step 2: Convert to fraction form
    1,048,608,660.40/1,573,290,904.20 = 435,632,801.20/x
  3. Step 3: Cross multiply
    1,048,608,660.40x = 1,573,290,904.20 × 435,632,801.20
  4. Step 4: Simplify right side
    1,048,608,660.40x = 685,377,123,699,126,784
  5. Step 5: Solve for x
    x = 685,377,123,699,126,784/1,048,608,660.40
  6. Step 6: Final answer
    x = 653,606,201.80

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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.