Home / 55,185,648,001.20-82,778,472,001.80-15,928,319,156.40

Finding the Fourth Proportional to 55,185,648,001.20, 82,778,472,001.80 and 15,928,319,156.40

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Solution

The fourth proportional to 55,185,648,001.20, 82,778,472,001.80 and 15,928,319,156.40 is: 23,892,478,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185,648,001.20 : 82,778,472,001.80 = 15,928,319,156.40 : x
  2. Step 2: Convert to fraction form
    55,185,648,001.20/82,778,472,001.80 = 15,928,319,156.40/x
  3. Step 3: Cross multiply
    55,185,648,001.20x = 82,778,472,001.80 × 15,928,319,156.40
  4. Step 4: Simplify right side
    55,185,648,001.20x = 1,318,521,921,323,792,072,704
  5. Step 5: Solve for x
    x = 1,318,521,921,323,792,072,704/55,185,648,001.20
  6. Step 6: Final answer
    x = 23,892,478,734.60

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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.