Home / 1,580,710,781.90-2,371,071,378.46-400,290,615.02

Finding the Fourth Proportional to 1,580,710,781.90, 2,371,071,378.46 and 400,290,615.02

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Solution

The fourth proportional to 1,580,710,781.90, 2,371,071,378.46 and 400,290,615.02 is: 600,437,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,710,781.90 : 2,371,071,378.46 = 400,290,615.02 : x
  2. Step 2: Convert to fraction form
    1,580,710,781.90/2,371,071,378.46 = 400,290,615.02/x
  3. Step 3: Cross multiply
    1,580,710,781.90x = 2,371,071,378.46 × 400,290,615.02
  4. Step 4: Simplify right side
    1,580,710,781.90x = 949,117,620,340,072,576
  5. Step 5: Solve for x
    x = 949,117,620,340,072,576/1,580,710,781.90
  6. Step 6: Final answer
    x = 600,437,240.77

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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.