Home / 490,867,500,779.48-677,864,989,781.34-464,125,346,969.24

Finding the Fourth Proportional to 490,867,500,779.48, 677,864,989,781.34 and 464,125,346,969.24

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Solution

The fourth proportional to 490,867,500,779.48, 677,864,989,781.34 and 464,125,346,969.24 is: 640,935,329,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,867,500,779.48 : 677,864,989,781.34 = 464,125,346,969.24 : x
  2. Step 2: Convert to fraction form
    490,867,500,779.48/677,864,989,781.34 = 464,125,346,969.24/x
  3. Step 3: Cross multiply
    490,867,500,779.48x = 677,864,989,781.34 × 464,125,346,969.24
  4. Step 4: Simplify right side
    490,867,500,779.48x = 314,614,323,580,564,746,010,624
  5. Step 5: Solve for x
    x = 314,614,323,580,564,746,010,624/490,867,500,779.48
  6. Step 6: Final answer
    x = 640,935,329,963.72

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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.