Home / 918,447,421.30-1,377,671,131.95-335,988,085.30

Finding the Fourth Proportional to 918,447,421.30, 1,377,671,131.95 and 335,988,085.30

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Solution

The fourth proportional to 918,447,421.30, 1,377,671,131.95 and 335,988,085.30 is: 503,982,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,447,421.30 : 1,377,671,131.95 = 335,988,085.30 : x
  2. Step 2: Convert to fraction form
    918,447,421.30/1,377,671,131.95 = 335,988,085.30/x
  3. Step 3: Cross multiply
    918,447,421.30x = 1,377,671,131.95 × 335,988,085.30
  4. Step 4: Simplify right side
    918,447,421.30x = 462,881,085,796,964,160
  5. Step 5: Solve for x
    x = 462,881,085,796,964,160/918,447,421.30
  6. Step 6: Final answer
    x = 503,982,127.95

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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.