Home / 863,642,848,864.73-1,191,864,595,637.30-478,267,194,716.07

Finding the Fourth Proportional to 863,642,848,864.73, 1,191,864,595,637.30 and 478,267,194,716.07

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Solution

The fourth proportional to 863,642,848,864.73, 1,191,864,595,637.30 and 478,267,194,716.07 is: 660,029,475,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642,848,864.73 : 1,191,864,595,637.30 = 478,267,194,716.07 : x
  2. Step 2: Convert to fraction form
    863,642,848,864.73/1,191,864,595,637.30 = 478,267,194,716.07/x
  3. Step 3: Cross multiply
    863,642,848,864.73x = 1,191,864,595,637.30 × 478,267,194,716.07
  4. Step 4: Simplify right side
    863,642,848,864.73x = 570,029,736,636,854,642,409,472
  5. Step 5: Solve for x
    x = 570,029,736,636,854,642,409,472/863,642,848,864.73
  6. Step 6: Final answer
    x = 660,029,475,594.18

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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.