Home / 1,022,998,407.88-1,411,735,147.58-570,871,634.67

Finding the Fourth Proportional to 1,022,998,407.88, 1,411,735,147.58 and 570,871,634.67

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Solution

The fourth proportional to 1,022,998,407.88, 1,411,735,147.58 and 570,871,634.67 is: 787,801,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,998,407.88 : 1,411,735,147.58 = 570,871,634.67 : x
  2. Step 2: Convert to fraction form
    1,022,998,407.88/1,411,735,147.58 = 570,871,634.67/x
  3. Step 3: Cross multiply
    1,022,998,407.88x = 1,411,735,147.58 × 570,871,634.67
  4. Step 4: Simplify right side
    1,022,998,407.88x = 805,919,551,411,602,432
  5. Step 5: Solve for x
    x = 805,919,551,411,602,432/1,022,998,407.88
  6. Step 6: Final answer
    x = 787,801,374.08

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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.