Home / 1,293,343,603.20-1,940,015,404.80-373,249,958.40

Finding the Fourth Proportional to 1,293,343,603.20, 1,940,015,404.80 and 373,249,958.40

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Solution

The fourth proportional to 1,293,343,603.20, 1,940,015,404.80 and 373,249,958.40 is: 559,874,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,343,603.20 : 1,940,015,404.80 = 373,249,958.40 : x
  2. Step 2: Convert to fraction form
    1,293,343,603.20/1,940,015,404.80 = 373,249,958.40/x
  3. Step 3: Cross multiply
    1,293,343,603.20x = 1,940,015,404.80 × 373,249,958.40
  4. Step 4: Simplify right side
    1,293,343,603.20x = 724,110,669,136,959,104
  5. Step 5: Solve for x
    x = 724,110,669,136,959,104/1,293,343,603.20
  6. Step 6: Final answer
    x = 559,874,937.60

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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.