Home / 7,188,528,052.35-9,920,551,916.93-4,016,788,962.03

Finding the Fourth Proportional to 7,188,528,052.35, 9,920,551,916.93 and 4,016,788,962.03

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Solution

The fourth proportional to 7,188,528,052.35, 9,920,551,916.93 and 4,016,788,962.03 is: 5,543,382,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,528,052.35 : 9,920,551,916.93 = 4,016,788,962.03 : x
  2. Step 2: Convert to fraction form
    7,188,528,052.35/9,920,551,916.93 = 4,016,788,962.03/x
  3. Step 3: Cross multiply
    7,188,528,052.35x = 9,920,551,916.93 × 4,016,788,962.03
  4. Step 4: Simplify right side
    7,188,528,052.35x = 39,848,763,437,149,896,704
  5. Step 5: Solve for x
    x = 39,848,763,437,149,896,704/7,188,528,052.35
  6. Step 6: Final answer
    x = 5,543,382,893.82

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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.