Home / 12,939,696,001.20-19,409,544,001.80-12,810,701,492.40

Finding the Fourth Proportional to 12,939,696,001.20, 19,409,544,001.80 and 12,810,701,492.40

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Solution

The fourth proportional to 12,939,696,001.20, 19,409,544,001.80 and 12,810,701,492.40 is: 19,216,052,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,696,001.20 : 19,409,544,001.80 = 12,810,701,492.40 : x
  2. Step 2: Convert to fraction form
    12,939,696,001.20/19,409,544,001.80 = 12,810,701,492.40/x
  3. Step 3: Cross multiply
    12,939,696,001.20x = 19,409,544,001.80 × 12,810,701,492.40
  4. Step 4: Simplify right side
    12,939,696,001.20x = 248,649,874,310,662,717,440
  5. Step 5: Solve for x
    x = 248,649,874,310,662,717,440/12,939,696,001.20
  6. Step 6: Final answer
    x = 19,216,052,238.60

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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.