Home / 1,595,178,347.65-2,393,123,254.78-489,894,746.20

Finding the Fourth Proportional to 1,595,178,347.65, 2,393,123,254.78 and 489,894,746.20

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Solution

The fourth proportional to 1,595,178,347.65, 2,393,123,254.78 and 489,894,746.20 is: 734,951,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,178,347.65 : 2,393,123,254.78 = 489,894,746.20 : x
  2. Step 2: Convert to fraction form
    1,595,178,347.65/2,393,123,254.78 = 489,894,746.20/x
  3. Step 3: Cross multiply
    1,595,178,347.65x = 2,393,123,254.78 × 489,894,746.20
  4. Step 4: Simplify right side
    1,595,178,347.65x = 1,172,378,509,525,766,144
  5. Step 5: Solve for x
    x = 1,172,378,509,525,766,144/1,595,178,347.65
  6. Step 6: Final answer
    x = 734,951,368.45

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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.