Home / 918,447,368.80-1,377,671,053.20-335,988,032.80

Finding the Fourth Proportional to 918,447,368.80, 1,377,671,053.20 and 335,988,032.80

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Solution

The fourth proportional to 918,447,368.80, 1,377,671,053.20 and 335,988,032.80 is: 503,982,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,447,368.80 : 1,377,671,053.20 = 335,988,032.80 : x
  2. Step 2: Convert to fraction form
    918,447,368.80/1,377,671,053.20 = 335,988,032.80/x
  3. Step 3: Cross multiply
    918,447,368.80x = 1,377,671,053.20 × 335,988,032.80
  4. Step 4: Simplify right side
    918,447,368.80x = 462,880,987,010,172,160
  5. Step 5: Solve for x
    x = 462,880,987,010,172,160/918,447,368.80
  6. Step 6: Final answer
    x = 503,982,049.20

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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.