Home / 1,260,811,624.80-1,888,666,520.40-873,072,271.20

Finding the Fourth Proportional to 1,260,811,624.80, 1,888,666,520.40 and 873,072,271.20

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Solution

The fourth proportional to 1,260,811,624.80, 1,888,666,520.40 and 873,072,271.20 is: 1,307,841,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,811,624.80 : 1,888,666,520.40 = 873,072,271.20 : x
  2. Step 2: Convert to fraction form
    1,260,811,624.80/1,888,666,520.40 = 873,072,271.20/x
  3. Step 3: Cross multiply
    1,260,811,624.80x = 1,888,666,520.40 × 873,072,271.20
  4. Step 4: Simplify right side
    1,260,811,624.80x = 1,648,942,368,505,029,376
  5. Step 5: Solve for x
    x = 1,648,942,368,505,029,376/1,260,811,624.80
  6. Step 6: Final answer
    x = 1,307,841,977.40

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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.