Home / 711,184,045,988.53-981,408,590,180.62-402,528,778,097.05

Finding the Fourth Proportional to 711,184,045,988.53, 981,408,590,180.62 and 402,528,778,097.05

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Solution

The fourth proportional to 711,184,045,988.53, 981,408,590,180.62 and 402,528,778,097.05 is: 555,475,341,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,045,988.53 : 981,408,590,180.62 = 402,528,778,097.05 : x
  2. Step 2: Convert to fraction form
    711,184,045,988.53/981,408,590,180.62 = 402,528,778,097.05/x
  3. Step 3: Cross multiply
    711,184,045,988.53x = 981,408,590,180.62 × 402,528,778,097.05
  4. Step 4: Simplify right side
    711,184,045,988.53x = 395,045,200,619,353,468,305,408
  5. Step 5: Solve for x
    x = 395,045,200,619,353,468,305,408/711,184,045,988.53
  6. Step 6: Final answer
    x = 555,475,341,225.14

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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.