Home / 840,465,700.36-1,262,611,738.10-608,013,406.96

Finding the Fourth Proportional to 840,465,700.36, 1,262,611,738.10 and 608,013,406.96

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Solution

The fourth proportional to 840,465,700.36, 1,262,611,738.10 and 608,013,406.96 is: 913,404,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,465,700.36 : 1,262,611,738.10 = 608,013,406.96 : x
  2. Step 2: Convert to fraction form
    840,465,700.36/1,262,611,738.10 = 608,013,406.96/x
  3. Step 3: Cross multiply
    840,465,700.36x = 1,262,611,738.10 × 608,013,406.96
  4. Step 4: Simplify right side
    840,465,700.36x = 767,684,864,548,231,680
  5. Step 5: Solve for x
    x = 767,684,864,548,231,680/840,465,700.36
  6. Step 6: Final answer
    x = 913,404,157.03

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1.5x scale

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.