Home / 31,148,531,284.64-42,984,412,852.82-17,599,877,549.92

Finding the Fourth Proportional to 31,148,531,284.64, 42,984,412,852.82 and 17,599,877,549.92

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Solution

The fourth proportional to 31,148,531,284.64, 42,984,412,852.82 and 17,599,877,549.92 is: 24,287,514,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148,531,284.64 : 42,984,412,852.82 = 17,599,877,549.92 : x
  2. Step 2: Convert to fraction form
    31,148,531,284.64/42,984,412,852.82 = 17,599,877,549.92/x
  3. Step 3: Cross multiply
    31,148,531,284.64x = 42,984,412,852.82 × 17,599,877,549.92
  4. Step 4: Simplify right side
    31,148,531,284.64x = 756,520,402,764,720,242,688
  5. Step 5: Solve for x
    x = 756,520,402,764,720,242,688/31,148,531,284.64
  6. Step 6: Final answer
    x = 24,287,514,420.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.