Home / 5,380,344,006.40-8,070,516,009.60-3,911,015,929.60

Finding the Fourth Proportional to 5,380,344,006.40, 8,070,516,009.60 and 3,911,015,929.60

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Solution

The fourth proportional to 5,380,344,006.40, 8,070,516,009.60 and 3,911,015,929.60 is: 5,866,523,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,344,006.40 : 8,070,516,009.60 = 3,911,015,929.60 : x
  2. Step 2: Convert to fraction form
    5,380,344,006.40/8,070,516,009.60 = 3,911,015,929.60/x
  3. Step 3: Cross multiply
    5,380,344,006.40x = 8,070,516,009.60 × 3,911,015,929.60
  4. Step 4: Simplify right side
    5,380,344,006.40x = 31,563,916,673,637,429,248
  5. Step 5: Solve for x
    x = 31,563,916,673,637,429,248/5,380,344,006.40
  6. Step 6: Final answer
    x = 5,866,523,894.40

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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.