Home / 1,569,896,157.30-2,166,551,823.78-865,047,285.78

Finding the Fourth Proportional to 1,569,896,157.30, 2,166,551,823.78 and 865,047,285.78

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Solution

The fourth proportional to 1,569,896,157.30, 2,166,551,823.78 and 865,047,285.78 is: 1,193,817,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,896,157.30 : 2,166,551,823.78 = 865,047,285.78 : x
  2. Step 2: Convert to fraction form
    1,569,896,157.30/2,166,551,823.78 = 865,047,285.78/x
  3. Step 3: Cross multiply
    1,569,896,157.30x = 2,166,551,823.78 × 865,047,285.78
  4. Step 4: Simplify right side
    1,569,896,157.30x = 1,874,169,774,662,597,888
  5. Step 5: Solve for x
    x = 1,874,169,774,662,597,888/1,569,896,157.30
  6. Step 6: Final answer
    x = 1,193,817,671.28

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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.