Home / 881,014,851,667.65-1,215,800,553,766.90-490,373,032,062.45

Finding the Fourth Proportional to 881,014,851,667.65, 1,215,800,553,766.90 and 490,373,032,062.45

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Solution

The fourth proportional to 881,014,851,667.65, 1,215,800,553,766.90 and 490,373,032,062.45 is: 676,714,816,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014,851,667.65 : 1,215,800,553,766.90 = 490,373,032,062.45 : x
  2. Step 2: Convert to fraction form
    881,014,851,667.65/1,215,800,553,766.90 = 490,373,032,062.45/x
  3. Step 3: Cross multiply
    881,014,851,667.65x = 1,215,800,553,766.90 × 490,373,032,062.45
  4. Step 4: Simplify right side
    881,014,851,667.65x = 596,195,803,933,880,503,762,944
  5. Step 5: Solve for x
    x = 596,195,803,933,880,503,762,944/881,014,851,667.65
  6. Step 6: Final answer
    x = 676,714,816,788.11

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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.