Home / 647,254,848.80-971,008,244.40-187,208,026.40

Finding the Fourth Proportional to 647,254,848.80, 971,008,244.40 and 187,208,026.40

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Solution

The fourth proportional to 647,254,848.80, 971,008,244.40 and 187,208,026.40 is: 280,848,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,254,848.80 : 971,008,244.40 = 187,208,026.40 : x
  2. Step 2: Convert to fraction form
    647,254,848.80/971,008,244.40 = 187,208,026.40/x
  3. Step 3: Cross multiply
    647,254,848.80x = 971,008,244.40 × 187,208,026.40
  4. Step 4: Simplify right side
    647,254,848.80x = 181,780,537,052,252,864
  5. Step 5: Solve for x
    x = 181,780,537,052,252,864/647,254,848.80
  6. Step 6: Final answer
    x = 280,848,474.74

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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.