Home / 970,777,652.90-1,456,166,479.35-561,623,195.30

Finding the Fourth Proportional to 970,777,652.90, 1,456,166,479.35 and 561,623,195.30

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Solution

The fourth proportional to 970,777,652.90, 1,456,166,479.35 and 561,623,195.30 is: 842,434,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,777,652.90 : 1,456,166,479.35 = 561,623,195.30 : x
  2. Step 2: Convert to fraction form
    970,777,652.90/1,456,166,479.35 = 561,623,195.30/x
  3. Step 3: Cross multiply
    970,777,652.90x = 1,456,166,479.35 × 561,623,195.30
  4. Step 4: Simplify right side
    970,777,652.90x = 817,816,871,021,298,304
  5. Step 5: Solve for x
    x = 817,816,871,021,298,304/970,777,652.90
  6. Step 6: Final answer
    x = 842,434,792.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.