Home / 838,066,020.89-1,156,130,576.39-651,147,854.81

Finding the Fourth Proportional to 838,066,020.89, 1,156,130,576.39 and 651,147,854.81

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Solution

The fourth proportional to 838,066,020.89, 1,156,130,576.39 and 651,147,854.81 is: 898,272,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,066,020.89 : 1,156,130,576.39 = 651,147,854.81 : x
  2. Step 2: Convert to fraction form
    838,066,020.89/1,156,130,576.39 = 651,147,854.81/x
  3. Step 3: Cross multiply
    838,066,020.89x = 1,156,130,576.39 × 651,147,854.81
  4. Step 4: Simplify right side
    838,066,020.89x = 752,811,944,692,444,416
  5. Step 5: Solve for x
    x = 752,811,944,692,444,416/838,066,020.89
  6. Step 6: Final answer
    x = 898,272,840.01

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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.