Home / 43,207,515,168.48-64,727,412,402.96-31,842,051,127.20

Finding the Fourth Proportional to 43,207,515,168.48, 64,727,412,402.96 and 31,842,051,127.20

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Solution

The fourth proportional to 43,207,515,168.48, 64,727,412,402.96 and 31,842,051,127.20 is: 47,701,275,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207,515,168.48 : 64,727,412,402.96 = 31,842,051,127.20 : x
  2. Step 2: Convert to fraction form
    43,207,515,168.48/64,727,412,402.96 = 31,842,051,127.20/x
  3. Step 3: Cross multiply
    43,207,515,168.48x = 64,727,412,402.96 × 31,842,051,127.20
  4. Step 4: Simplify right side
    43,207,515,168.48x = 2,061,053,575,066,411,859,968
  5. Step 5: Solve for x
    x = 2,061,053,575,066,411,859,968/43,207,515,168.48
  6. Step 6: Final answer
    x = 47,701,275,276.53

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1.5x scale

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.