Home / 1,286,867,465.08-1,931,045,923.89-539,816,333.65

Finding the Fourth Proportional to 1,286,867,465.08, 1,931,045,923.89 and 539,816,333.65

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Solution

The fourth proportional to 1,286,867,465.08, 1,931,045,923.89 and 539,816,333.65 is: 810,036,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,867,465.08 : 1,931,045,923.89 = 539,816,333.65 : x
  2. Step 2: Convert to fraction form
    1,286,867,465.08/1,931,045,923.89 = 539,816,333.65/x
  3. Step 3: Cross multiply
    1,286,867,465.08x = 1,931,045,923.89 × 539,816,333.65
  4. Step 4: Simplify right side
    1,286,867,465.08x = 1,042,410,130,744,076,800
  5. Step 5: Solve for x
    x = 1,042,410,130,744,076,800/1,286,867,465.08
  6. Step 6: Final answer
    x = 810,036,898.93

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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.