Home / 1,788,167,582.80-2,685,312,007.80-971,874,206.80

Finding the Fourth Proportional to 1,788,167,582.80, 2,685,312,007.80 and 971,874,206.80

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Solution

The fourth proportional to 1,788,167,582.80, 2,685,312,007.80 and 971,874,206.80 is: 1,459,474,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,167,582.80 : 2,685,312,007.80 = 971,874,206.80 : x
  2. Step 2: Convert to fraction form
    1,788,167,582.80/2,685,312,007.80 = 971,874,206.80/x
  3. Step 3: Cross multiply
    1,788,167,582.80x = 2,685,312,007.80 × 971,874,206.80
  4. Step 4: Simplify right side
    1,788,167,582.80x = 2,609,785,477,591,140,352
  5. Step 5: Solve for x
    x = 2,609,785,477,591,140,352/1,788,167,582.80
  6. Step 6: Final answer
    x = 1,459,474,773.33

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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.