Home / 487,537,848,689.80-672,803,803,309.40-270,764,043,231.23

Finding the Fourth Proportional to 487,537,848,689.80, 672,803,803,309.40 and 270,764,043,231.23

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Solution

The fourth proportional to 487,537,848,689.80, 672,803,803,309.40 and 270,764,043,231.23 is: 373,655,252,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,537,848,689.80 : 672,803,803,309.40 = 270,764,043,231.23 : x
  2. Step 2: Convert to fraction form
    487,537,848,689.80/672,803,803,309.40 = 270,764,043,231.23/x
  3. Step 3: Cross multiply
    487,537,848,689.80x = 672,803,803,309.40 × 270,764,043,231.23
  4. Step 4: Simplify right side
    487,537,848,689.80x = 182,171,078,085,402,370,768,896
  5. Step 5: Solve for x
    x = 182,171,078,085,402,370,768,896/487,537,848,689.80
  6. Step 6: Final answer
    x = 373,655,252,766.46

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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.