Home / 335,898,765,612.86-504,206,701,225.40-144,765,128,421.23

Finding the Fourth Proportional to 335,898,765,612.86, 504,206,701,225.40 and 144,765,128,421.23

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Solution

The fourth proportional to 335,898,765,612.86, 504,206,701,225.40 and 144,765,128,421.23 is: 217,302,221,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,898,765,612.86 : 504,206,701,225.40 = 144,765,128,421.23 : x
  2. Step 2: Convert to fraction form
    335,898,765,612.86/504,206,701,225.40 = 144,765,128,421.23/x
  3. Step 3: Cross multiply
    335,898,765,612.86x = 504,206,701,225.40 × 144,765,128,421.23
  4. Step 4: Simplify right side
    335,898,765,612.86x = 72,991,547,853,739,787,288,576
  5. Step 5: Solve for x
    x = 72,991,547,853,739,787,288,576/335,898,765,612.86
  6. Step 6: Final answer
    x = 217,302,221,163.46

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Double scale
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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.