Home / 7,185,169,780.40-10,777,754,670.60-3,315,334,516.40

Finding the Fourth Proportional to 7,185,169,780.40, 10,777,754,670.60 and 3,315,334,516.40

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Solution

The fourth proportional to 7,185,169,780.40, 10,777,754,670.60 and 3,315,334,516.40 is: 4,973,001,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,169,780.40 : 10,777,754,670.60 = 3,315,334,516.40 : x
  2. Step 2: Convert to fraction form
    7,185,169,780.40/10,777,754,670.60 = 3,315,334,516.40/x
  3. Step 3: Cross multiply
    7,185,169,780.40x = 10,777,754,670.60 × 3,315,334,516.40
  4. Step 4: Simplify right side
    7,185,169,780.40x = 35,731,862,068,731,494,400
  5. Step 5: Solve for x
    x = 35,731,862,068,731,494,400/7,185,169,780.40
  6. Step 6: Final answer
    x = 4,973,001,774.60

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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.