Home / 30,428,865,192.96-45,646,425,356.64-10,531,720,131.60

Finding the Fourth Proportional to 30,428,865,192.96, 45,646,425,356.64 and 10,531,720,131.60

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Solution

The fourth proportional to 30,428,865,192.96, 45,646,425,356.64 and 10,531,720,131.60 is: 15,798,662,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428,865,192.96 : 45,646,425,356.64 = 10,531,720,131.60 : x
  2. Step 2: Convert to fraction form
    30,428,865,192.96/45,646,425,356.64 = 10,531,720,131.60/x
  3. Step 3: Cross multiply
    30,428,865,192.96x = 45,646,425,356.64 × 10,531,720,131.60
  4. Step 4: Simplify right side
    30,428,865,192.96x = 480,735,376,864,102,187,008
  5. Step 5: Solve for x
    x = 480,735,376,864,102,187,008/30,428,865,192.96
  6. Step 6: Final answer
    x = 15,798,662,678.20

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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.