Home / 7,085,928,981.60-10,628,893,472.40-3,779,940,808.80

Finding the Fourth Proportional to 7,085,928,981.60, 10,628,893,472.40 and 3,779,940,808.80

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Solution

The fourth proportional to 7,085,928,981.60, 10,628,893,472.40 and 3,779,940,808.80 is: 5,669,911,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,928,981.60 : 10,628,893,472.40 = 3,779,940,808.80 : x
  2. Step 2: Convert to fraction form
    7,085,928,981.60/10,628,893,472.40 = 3,779,940,808.80/x
  3. Step 3: Cross multiply
    7,085,928,981.60x = 10,628,893,472.40 × 3,779,940,808.80
  4. Step 4: Simplify right side
    7,085,928,981.60x = 40,176,588,188,712,697,856
  5. Step 5: Solve for x
    x = 40,176,588,188,712,697,856/7,085,928,981.60
  6. Step 6: Final answer
    x = 5,669,911,213.20

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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.