Home / 28,286,984,050.56-42,418,802,076.48-9,655,980,566.40

Finding the Fourth Proportional to 28,286,984,050.56, 42,418,802,076.48 and 9,655,980,566.40

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Solution

The fourth proportional to 28,286,984,050.56, 42,418,802,076.48 and 9,655,980,566.40 is: 14,479,985,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286,984,050.56 : 42,418,802,076.48 = 9,655,980,566.40 : x
  2. Step 2: Convert to fraction form
    28,286,984,050.56/42,418,802,076.48 = 9,655,980,566.40/x
  3. Step 3: Cross multiply
    28,286,984,050.56x = 42,418,802,076.48 × 9,655,980,566.40
  4. Step 4: Simplify right side
    28,286,984,050.56x = 409,595,128,500,458,881,024
  5. Step 5: Solve for x
    x = 409,595,128,500,458,881,024/28,286,984,050.56
  6. Step 6: Final answer
    x = 14,479,985,839.72

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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.