Home / 1,315,632,650,605.10-1,972,056,153,172.60-442,535,278,317.52

Finding the Fourth Proportional to 1,315,632,650,605.10, 1,972,056,153,172.60 and 442,535,278,317.52

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Solution

The fourth proportional to 1,315,632,650,605.10, 1,972,056,153,172.60 and 442,535,278,317.52 is: 663,334,418,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,632,650,605.10 : 1,972,056,153,172.60 = 442,535,278,317.52 : x
  2. Step 2: Convert to fraction form
    1,315,632,650,605.10/1,972,056,153,172.60 = 442,535,278,317.52/x
  3. Step 3: Cross multiply
    1,315,632,650,605.10x = 1,972,056,153,172.60 × 442,535,278,317.52
  4. Step 4: Simplify right side
    1,315,632,650,605.10x = 872,704,418,602,014,423,908,352
  5. Step 5: Solve for x
    x = 872,704,418,602,014,423,908,352/1,315,632,650,605.10
  6. Step 6: Final answer
    x = 663,334,418,008.42

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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.