Home / 859,737,528.40-1,289,606,292.60-845,388,621.40

Finding the Fourth Proportional to 859,737,528.40, 1,289,606,292.60 and 845,388,621.40

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Solution

The fourth proportional to 859,737,528.40, 1,289,606,292.60 and 845,388,621.40 is: 1,268,082,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,737,528.40 : 1,289,606,292.60 = 845,388,621.40 : x
  2. Step 2: Convert to fraction form
    859,737,528.40/1,289,606,292.60 = 845,388,621.40/x
  3. Step 3: Cross multiply
    859,737,528.40x = 1,289,606,292.60 × 845,388,621.40
  4. Step 4: Simplify right side
    859,737,528.40x = 1,090,218,485,849,878,912
  5. Step 5: Solve for x
    x = 1,090,218,485,849,878,912/859,737,528.40
  6. Step 6: Final answer
    x = 1,268,082,932.10

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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.