Home / 28,286,984,051.56-42,418,802,077.98-9,655,980,567.40

Finding the Fourth Proportional to 28,286,984,051.56, 42,418,802,077.98 and 9,655,980,567.40

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Solution

The fourth proportional to 28,286,984,051.56, 42,418,802,077.98 and 9,655,980,567.40 is: 14,479,985,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286,984,051.56 : 42,418,802,077.98 = 9,655,980,567.40 : x
  2. Step 2: Convert to fraction form
    28,286,984,051.56/42,418,802,077.98 = 9,655,980,567.40/x
  3. Step 3: Cross multiply
    28,286,984,051.56x = 42,418,802,077.98 × 9,655,980,567.40
  4. Step 4: Simplify right side
    28,286,984,051.56x = 409,595,128,557,361,627,136
  5. Step 5: Solve for x
    x = 409,595,128,557,361,627,136/28,286,984,051.56
  6. Step 6: Final answer
    x = 14,479,985,841.22

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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.