Home / 2,123,641,345.50-3,185,472,093.48-649,778,803.72

Finding the Fourth Proportional to 2,123,641,345.50, 3,185,472,093.48 and 649,778,803.72

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Solution

The fourth proportional to 2,123,641,345.50, 3,185,472,093.48 and 649,778,803.72 is: 974,671,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,641,345.50 : 3,185,472,093.48 = 649,778,803.72 : x
  2. Step 2: Convert to fraction form
    2,123,641,345.50/3,185,472,093.48 = 649,778,803.72/x
  3. Step 3: Cross multiply
    2,123,641,345.50x = 3,185,472,093.48 × 649,778,803.72
  4. Step 4: Simplify right side
    2,123,641,345.50x = 2,069,852,246,176,914,688
  5. Step 5: Solve for x
    x = 2,069,852,246,176,914,688/2,123,641,345.50
  6. Step 6: Final answer
    x = 974,671,288.33

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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.