Home / 31,405,943,117.80-47,051,583,783.90-19,137,132,058.60

Finding the Fourth Proportional to 31,405,943,117.80, 47,051,583,783.90 and 19,137,132,058.60

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Solution

The fourth proportional to 31,405,943,117.80, 47,051,583,783.90 and 19,137,132,058.60 is: 28,670,763,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405,943,117.80 : 47,051,583,783.90 = 19,137,132,058.60 : x
  2. Step 2: Convert to fraction form
    31,405,943,117.80/47,051,583,783.90 = 19,137,132,058.60/x
  3. Step 3: Cross multiply
    31,405,943,117.80x = 47,051,583,783.90 × 19,137,132,058.60
  4. Step 4: Simplify right side
    31,405,943,117.80x = 900,432,372,438,776,545,280
  5. Step 5: Solve for x
    x = 900,432,372,438,776,545,280/31,405,943,117.80
  6. Step 6: Final answer
    x = 28,670,763,653.28

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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.