Home / 3,359,402,495.80-5,039,859,570.90-1,978,506,201.40

Finding the Fourth Proportional to 3,359,402,495.80, 5,039,859,570.90 and 1,978,506,201.40

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Solution

The fourth proportional to 3,359,402,495.80, 5,039,859,570.90 and 1,978,506,201.40 is: 2,968,204,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359,402,495.80 : 5,039,859,570.90 = 1,978,506,201.40 : x
  2. Step 2: Convert to fraction form
    3,359,402,495.80/5,039,859,570.90 = 1,978,506,201.40/x
  3. Step 3: Cross multiply
    3,359,402,495.80x = 5,039,859,570.90 × 1,978,506,201.40
  4. Step 4: Simplify right side
    3,359,402,495.80x = 9,971,393,415,210,792,960
  5. Step 5: Solve for x
    x = 9,971,393,415,210,792,960/3,359,402,495.80
  6. Step 6: Final answer
    x = 2,968,204,443.40

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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.