Home / 1,379,884,043.70-2,069,826,065.55-828,886,014.90

Finding the Fourth Proportional to 1,379,884,043.70, 2,069,826,065.55 and 828,886,014.90

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Solution

The fourth proportional to 1,379,884,043.70, 2,069,826,065.55 and 828,886,014.90 is: 1,243,329,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,884,043.70 : 2,069,826,065.55 = 828,886,014.90 : x
  2. Step 2: Convert to fraction form
    1,379,884,043.70/2,069,826,065.55 = 828,886,014.90/x
  3. Step 3: Cross multiply
    1,379,884,043.70x = 2,069,826,065.55 × 828,886,014.90
  4. Step 4: Simplify right side
    1,379,884,043.70x = 1,715,649,879,009,885,696
  5. Step 5: Solve for x
    x = 1,715,649,879,009,885,696/1,379,884,043.70
  6. Step 6: Final answer
    x = 1,243,329,022.35

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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.