Home / 15,779,002,927.40-21,775,035,779.36-8,545,106,557.88

Finding the Fourth Proportional to 15,779,002,927.40, 21,775,035,779.36 and 8,545,106,557.88

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Solution

The fourth proportional to 15,779,002,927.40, 21,775,035,779.36 and 8,545,106,557.88 is: 11,792,253,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,002,927.40 : 21,775,035,779.36 = 8,545,106,557.88 : x
  2. Step 2: Convert to fraction form
    15,779,002,927.40/21,775,035,779.36 = 8,545,106,557.88/x
  3. Step 3: Cross multiply
    15,779,002,927.40x = 21,775,035,779.36 × 8,545,106,557.88
  4. Step 4: Simplify right side
    15,779,002,927.40x = 186,070,001,036,280,791,040
  5. Step 5: Solve for x
    x = 186,070,001,036,280,791,040/15,779,002,927.40
  6. Step 6: Final answer
    x = 11,792,253,407.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.