Home / 12,675,720,742.32-19,015,772,684.16-4,281,687,501.36

Finding the Fourth Proportional to 12,675,720,742.32, 19,015,772,684.16 and 4,281,687,501.36

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Solution

The fourth proportional to 12,675,720,742.32, 19,015,772,684.16 and 4,281,687,501.36 is: 6,423,271,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675,720,742.32 : 19,015,772,684.16 = 4,281,687,501.36 : x
  2. Step 2: Convert to fraction form
    12,675,720,742.32/19,015,772,684.16 = 4,281,687,501.36/x
  3. Step 3: Cross multiply
    12,675,720,742.32x = 19,015,772,684.16 × 4,281,687,501.36
  4. Step 4: Simplify right side
    12,675,720,742.32x = 81,419,596,230,470,778,880
  5. Step 5: Solve for x
    x = 81,419,596,230,470,778,880/12,675,720,742.32
  6. Step 6: Final answer
    x = 6,423,271,535.06

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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.