Home / 1,293,428,289.60-1,940,142,434.40-464,778,910.35

Finding the Fourth Proportional to 1,293,428,289.60, 1,940,142,434.40 and 464,778,910.35

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Solution

The fourth proportional to 1,293,428,289.60, 1,940,142,434.40 and 464,778,910.35 is: 697,168,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,428,289.60 : 1,940,142,434.40 = 464,778,910.35 : x
  2. Step 2: Convert to fraction form
    1,293,428,289.60/1,940,142,434.40 = 464,778,910.35/x
  3. Step 3: Cross multiply
    1,293,428,289.60x = 1,940,142,434.40 × 464,778,910.35
  4. Step 4: Simplify right side
    1,293,428,289.60x = 901,737,286,584,228,480
  5. Step 5: Solve for x
    x = 901,737,286,584,228,480/1,293,428,289.60
  6. Step 6: Final answer
    x = 697,168,365.53

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Double scale
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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.