Home / 711,184,045,984.18-981,408,590,174.54-402,528,778,092.64

Finding the Fourth Proportional to 711,184,045,984.18, 981,408,590,174.54 and 402,528,778,092.64

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Solution

The fourth proportional to 711,184,045,984.18, 981,408,590,174.54 and 402,528,778,092.64 is: 555,475,341,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,045,984.18 : 981,408,590,174.54 = 402,528,778,092.64 : x
  2. Step 2: Convert to fraction form
    711,184,045,984.18/981,408,590,174.54 = 402,528,778,092.64/x
  3. Step 3: Cross multiply
    711,184,045,984.18x = 981,408,590,174.54 × 402,528,778,092.64
  4. Step 4: Simplify right side
    711,184,045,984.18x = 395,045,200,612,578,090,287,104
  5. Step 5: Solve for x
    x = 395,045,200,612,578,090,287,104/711,184,045,984.18
  6. Step 6: Final answer
    x = 555,475,341,219.01

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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.