Home / 8,677,109,127.36-12,990,642,706.80-7,779,907,862.40

Finding the Fourth Proportional to 8,677,109,127.36, 12,990,642,706.80 and 7,779,907,862.40

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Solution

The fourth proportional to 8,677,109,127.36, 12,990,642,706.80 and 7,779,907,862.40 is: 11,647,427,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677,109,127.36 : 12,990,642,706.80 = 7,779,907,862.40 : x
  2. Step 2: Convert to fraction form
    8,677,109,127.36/12,990,642,706.80 = 7,779,907,862.40/x
  3. Step 3: Cross multiply
    8,677,109,127.36x = 12,990,642,706.80 × 7,779,907,862.40
  4. Step 4: Simplify right side
    8,677,109,127.36x = 101,066,003,332,262,526,976
  5. Step 5: Solve for x
    x = 101,066,003,332,262,526,976/8,677,109,127.36
  6. Step 6: Final answer
    x = 11,647,427,945.05

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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.