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Finding the Fourth Proportional to 30,407,201,985.20, 45,610,802,977.80 and 30,407,201,985.20

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Solution

The fourth proportional to 30,407,201,985.20, 45,610,802,977.80 and 30,407,201,985.20 is: 45,610,802,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407,201,985.20 : 45,610,802,977.80 = 30,407,201,985.20 : x
  2. Step 2: Convert to fraction form
    30,407,201,985.20/45,610,802,977.80 = 30,407,201,985.20/x
  3. Step 3: Cross multiply
    30,407,201,985.20x = 45,610,802,977.80 × 30,407,201,985.20
  4. Step 4: Simplify right side
    30,407,201,985.20x = 1,386,896,898,853,126,275,072
  5. Step 5: Solve for x
    x = 1,386,896,898,853,126,275,072/30,407,201,985.20
  6. Step 6: Final answer
    x = 45,610,802,977.80

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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.