Home / 726,813,036.40-1,090,219,554.60-290,181,110.80

Finding the Fourth Proportional to 726,813,036.40, 1,090,219,554.60 and 290,181,110.80

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Solution

The fourth proportional to 726,813,036.40, 1,090,219,554.60 and 290,181,110.80 is: 435,271,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,813,036.40 : 1,090,219,554.60 = 290,181,110.80 : x
  2. Step 2: Convert to fraction form
    726,813,036.40/1,090,219,554.60 = 290,181,110.80/x
  3. Step 3: Cross multiply
    726,813,036.40x = 1,090,219,554.60 × 290,181,110.80
  4. Step 4: Simplify right side
    726,813,036.40x = 316,361,121,369,709,248
  5. Step 5: Solve for x
    x = 316,361,121,369,709,248/726,813,036.40
  6. Step 6: Final answer
    x = 435,271,666.20

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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.