Home / 1,601,636,769.40-2,402,455,154.10-1,257,651,412.60

Finding the Fourth Proportional to 1,601,636,769.40, 2,402,455,154.10 and 1,257,651,412.60

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Solution

The fourth proportional to 1,601,636,769.40, 2,402,455,154.10 and 1,257,651,412.60 is: 1,886,477,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,636,769.40 : 2,402,455,154.10 = 1,257,651,412.60 : x
  2. Step 2: Convert to fraction form
    1,601,636,769.40/2,402,455,154.10 = 1,257,651,412.60/x
  3. Step 3: Cross multiply
    1,601,636,769.40x = 2,402,455,154.10 × 1,257,651,412.60
  4. Step 4: Simplify right side
    1,601,636,769.40x = 3,021,451,118,262,015,488
  5. Step 5: Solve for x
    x = 3,021,451,118,262,015,488/1,601,636,769.40
  6. Step 6: Final answer
    x = 1,886,477,118.90

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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.