Home / 1,705,616,742.40-2,560,338,301.20-1,319,152,847.20

Finding the Fourth Proportional to 1,705,616,742.40, 2,560,338,301.20 and 1,319,152,847.20

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Solution

The fourth proportional to 1,705,616,742.40, 2,560,338,301.20 and 1,319,152,847.20 is: 1,980,208,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,616,742.40 : 2,560,338,301.20 = 1,319,152,847.20 : x
  2. Step 2: Convert to fraction form
    1,705,616,742.40/2,560,338,301.20 = 1,319,152,847.20/x
  3. Step 3: Cross multiply
    1,705,616,742.40x = 2,560,338,301.20 × 1,319,152,847.20
  4. Step 4: Simplify right side
    1,705,616,742.40x = 3,377,477,559,823,191,040
  5. Step 5: Solve for x
    x = 3,377,477,559,823,191,040/1,705,616,742.40
  6. Step 6: Final answer
    x = 1,980,208,962.46

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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.