Home / 711,184,046,284.70-981,408,590,589.48-402,528,778,392.94

Finding the Fourth Proportional to 711,184,046,284.70, 981,408,590,589.48 and 402,528,778,392.94

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Solution

The fourth proportional to 711,184,046,284.70, 981,408,590,589.48 and 402,528,778,392.94 is: 555,475,341,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,046,284.70 : 981,408,590,589.48 = 402,528,778,392.94 : x
  2. Step 2: Convert to fraction form
    711,184,046,284.70/981,408,590,589.48 = 402,528,778,392.94/x
  3. Step 3: Cross multiply
    711,184,046,284.70x = 981,408,590,589.48 × 402,528,778,392.94
  4. Step 4: Simplify right side
    711,184,046,284.70x = 395,045,201,074,320,360,603,648
  5. Step 5: Solve for x
    x = 395,045,201,074,320,360,603,648/711,184,046,284.70
  6. Step 6: Final answer
    x = 555,475,341,633.55

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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.