Home / 1,430,783,999.10-2,146,175,998.65-511,698,123.90

Finding the Fourth Proportional to 1,430,783,999.10, 2,146,175,998.65 and 511,698,123.90

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Solution

The fourth proportional to 1,430,783,999.10, 2,146,175,998.65 and 511,698,123.90 is: 767,547,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,783,999.10 : 2,146,175,998.65 = 511,698,123.90 : x
  2. Step 2: Convert to fraction form
    1,430,783,999.10/2,146,175,998.65 = 511,698,123.90/x
  3. Step 3: Cross multiply
    1,430,783,999.10x = 2,146,175,998.65 × 511,698,123.90
  4. Step 4: Simplify right side
    1,430,783,999.10x = 1,098,194,232,068,413,952
  5. Step 5: Solve for x
    x = 1,098,194,232,068,413,952/1,430,783,999.10
  6. Step 6: Final answer
    x = 767,547,185.85

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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.