Home / 479,729,991,403.08-719,594,943,407.76-211,118,971,514.36

Finding the Fourth Proportional to 479,729,991,403.08, 719,594,943,407.76 and 211,118,971,514.36

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Solution

The fourth proportional to 479,729,991,403.08, 719,594,943,407.76 and 211,118,971,514.36 is: 316,678,438,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,729,991,403.08 : 719,594,943,407.76 = 211,118,971,514.36 : x
  2. Step 2: Convert to fraction form
    479,729,991,403.08/719,594,943,407.76 = 211,118,971,514.36/x
  3. Step 3: Cross multiply
    479,729,991,403.08x = 719,594,943,407.76 × 211,118,971,514.36
  4. Step 4: Simplify right side
    479,729,991,403.08x = 151,920,144,359,180,373,852,160
  5. Step 5: Solve for x
    x = 151,920,144,359,180,373,852,160/479,729,991,403.08
  6. Step 6: Final answer
    x = 316,678,438,041.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.