Home / 1,359,877,999.90-2,039,816,999.85-439,847,340.70

Finding the Fourth Proportional to 1,359,877,999.90, 2,039,816,999.85 and 439,847,340.70

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Solution

The fourth proportional to 1,359,877,999.90, 2,039,816,999.85 and 439,847,340.70 is: 659,771,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,877,999.90 : 2,039,816,999.85 = 439,847,340.70 : x
  2. Step 2: Convert to fraction form
    1,359,877,999.90/2,039,816,999.85 = 439,847,340.70/x
  3. Step 3: Cross multiply
    1,359,877,999.90x = 2,039,816,999.85 × 439,847,340.70
  4. Step 4: Simplify right side
    1,359,877,999.90x = 897,208,082,898,674,688
  5. Step 5: Solve for x
    x = 897,208,082,898,674,688/1,359,877,999.90
  6. Step 6: Final answer
    x = 659,771,011.05

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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.