Home / 1,788,167,641.80-2,685,312,096.30-971,874,265.80

Finding the Fourth Proportional to 1,788,167,641.80, 2,685,312,096.30 and 971,874,265.80

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Solution

The fourth proportional to 1,788,167,641.80, 2,685,312,096.30 and 971,874,265.80 is: 1,459,474,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,167,641.80 : 2,685,312,096.30 = 971,874,265.80 : x
  2. Step 2: Convert to fraction form
    1,788,167,641.80/2,685,312,096.30 = 971,874,265.80/x
  3. Step 3: Cross multiply
    1,788,167,641.80x = 2,685,312,096.30 × 971,874,265.80
  4. Step 4: Simplify right side
    1,788,167,641.80x = 2,609,785,722,035,421,696
  5. Step 5: Solve for x
    x = 2,609,785,722,035,421,696/1,788,167,641.80
  6. Step 6: Final answer
    x = 1,459,474,861.88

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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.