Home / 563,263,642,781.76-845,242,985,831.28-261,019,909,133.04

Finding the Fourth Proportional to 563,263,642,781.76, 845,242,985,831.28 and 261,019,909,133.04

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Solution

The fourth proportional to 563,263,642,781.76, 845,242,985,831.28 and 261,019,909,133.04 is: 391,690,907,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,263,642,781.76 : 845,242,985,831.28 = 261,019,909,133.04 : x
  2. Step 2: Convert to fraction form
    563,263,642,781.76/845,242,985,831.28 = 261,019,909,133.04/x
  3. Step 3: Cross multiply
    563,263,642,781.76x = 845,242,985,831.28 × 261,019,909,133.04
  4. Step 4: Simplify right side
    563,263,642,781.76x = 220,625,247,357,020,126,838,784
  5. Step 5: Solve for x
    x = 220,625,247,357,020,126,838,784/563,263,642,781.76
  6. Step 6: Final answer
    x = 391,690,907,418.47

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Double scale
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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.