Home / 2,139,362,590.08-2,951,233,830.72-1,397,241,056.64

Finding the Fourth Proportional to 2,139,362,590.08, 2,951,233,830.72 and 1,397,241,056.64

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Solution

The fourth proportional to 2,139,362,590.08, 2,951,233,830.72 and 1,397,241,056.64 is: 1,927,483,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,362,590.08 : 2,951,233,830.72 = 1,397,241,056.64 : x
  2. Step 2: Convert to fraction form
    2,139,362,590.08/2,951,233,830.72 = 1,397,241,056.64/x
  3. Step 3: Cross multiply
    2,139,362,590.08x = 2,951,233,830.72 × 1,397,241,056.64
  4. Step 4: Simplify right side
    2,139,362,590.08x = 4,123,585,076,026,927,616
  5. Step 5: Solve for x
    x = 4,123,585,076,026,927,616/2,139,362,590.08
  6. Step 6: Final answer
    x = 1,927,483,024.69

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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.