Home / 912,384,003.60-1,368,576,005.40-718,892,240.40

Finding the Fourth Proportional to 912,384,003.60, 1,368,576,005.40 and 718,892,240.40

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Solution

The fourth proportional to 912,384,003.60, 1,368,576,005.40 and 718,892,240.40 is: 1,078,338,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,003.60 : 1,368,576,005.40 = 718,892,240.40 : x
  2. Step 2: Convert to fraction form
    912,384,003.60/1,368,576,005.40 = 718,892,240.40/x
  3. Step 3: Cross multiply
    912,384,003.60x = 1,368,576,005.40 × 718,892,240.40
  4. Step 4: Simplify right side
    912,384,003.60x = 983,858,670,679,688,576
  5. Step 5: Solve for x
    x = 983,858,670,679,688,576/912,384,003.60
  6. Step 6: Final answer
    x = 1,078,338,360.60

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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.