Home / 711,184,045,986.08-981,408,590,177.16-402,528,778,094.52

Finding the Fourth Proportional to 711,184,045,986.08, 981,408,590,177.16 and 402,528,778,094.52

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Solution

The fourth proportional to 711,184,045,986.08, 981,408,590,177.16 and 402,528,778,094.52 is: 555,475,341,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,045,986.08 : 981,408,590,177.16 = 402,528,778,094.52 : x
  2. Step 2: Convert to fraction form
    711,184,045,986.08/981,408,590,177.16 = 402,528,778,094.52/x
  3. Step 3: Cross multiply
    711,184,045,986.08x = 981,408,590,177.16 × 402,528,778,094.52
  4. Step 4: Simplify right side
    711,184,045,986.08x = 395,045,200,615,477,797,191,680
  5. Step 5: Solve for x
    x = 395,045,200,615,477,797,191,680/711,184,045,986.08
  6. Step 6: Final answer
    x = 555,475,341,221.60

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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.