Home / 806,814,029.01-1,113,917,438.10-658,488,956.68

Finding the Fourth Proportional to 806,814,029.01, 1,113,917,438.10 and 658,488,956.68

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Solution

The fourth proportional to 806,814,029.01, 1,113,917,438.10 and 658,488,956.68 is: 909,134,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,814,029.01 : 1,113,917,438.10 = 658,488,956.68 : x
  2. Step 2: Convert to fraction form
    806,814,029.01/1,113,917,438.10 = 658,488,956.68/x
  3. Step 3: Cross multiply
    806,814,029.01x = 1,113,917,438.10 × 658,488,956.68
  4. Step 4: Simplify right side
    806,814,029.01x = 733,502,331,642,127,360
  5. Step 5: Solve for x
    x = 733,502,331,642,127,360/806,814,029.01
  6. Step 6: Final answer
    x = 909,134,329.93

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1.5x scale

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.