Home / 726,813,041.40-1,090,219,562.10-290,181,115.80

Finding the Fourth Proportional to 726,813,041.40, 1,090,219,562.10 and 290,181,115.80

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Solution

The fourth proportional to 726,813,041.40, 1,090,219,562.10 and 290,181,115.80 is: 435,271,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,813,041.40 : 1,090,219,562.10 = 290,181,115.80 : x
  2. Step 2: Convert to fraction form
    726,813,041.40/1,090,219,562.10 = 290,181,115.80/x
  3. Step 3: Cross multiply
    726,813,041.40x = 1,090,219,562.10 × 290,181,115.80
  4. Step 4: Simplify right side
    726,813,041.40x = 316,361,128,997,165,376
  5. Step 5: Solve for x
    x = 316,361,128,997,165,376/726,813,041.40
  6. Step 6: Final answer
    x = 435,271,673.70

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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.