Home / 839,808,064.80-1,259,712,097.20-409,826,368.80

Finding the Fourth Proportional to 839,808,064.80, 1,259,712,097.20 and 409,826,368.80

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Solution

The fourth proportional to 839,808,064.80, 1,259,712,097.20 and 409,826,368.80 is: 614,739,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,064.80 : 1,259,712,097.20 = 409,826,368.80 : x
  2. Step 2: Convert to fraction form
    839,808,064.80/1,259,712,097.20 = 409,826,368.80/x
  3. Step 3: Cross multiply
    839,808,064.80x = 1,259,712,097.20 × 409,826,368.80
  4. Step 4: Simplify right side
    839,808,064.80x = 516,263,234,528,908,672
  5. Step 5: Solve for x
    x = 516,263,234,528,908,672/839,808,064.80
  6. Step 6: Final answer
    x = 614,739,553.20

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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.