Home / 909,845,964,156.85-1,255,626,898,998.80-503,853,505,465.40

Finding the Fourth Proportional to 909,845,964,156.85, 1,255,626,898,998.80 and 503,853,505,465.40

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Solution

The fourth proportional to 909,845,964,156.85, 1,255,626,898,998.80 and 503,853,505,465.40 is: 695,339,694,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,845,964,156.85 : 1,255,626,898,998.80 = 503,853,505,465.40 : x
  2. Step 2: Convert to fraction form
    909,845,964,156.85/1,255,626,898,998.80 = 503,853,505,465.40/x
  3. Step 3: Cross multiply
    909,845,964,156.85x = 1,255,626,898,998.80 × 503,853,505,465.40
  4. Step 4: Simplify right side
    909,845,964,156.85x = 632,652,014,617,195,247,042,560
  5. Step 5: Solve for x
    x = 632,652,014,617,195,247,042,560/909,845,964,156.85
  6. Step 6: Final answer
    x = 695,339,694,344.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.