Home / 970,105,786.80-1,455,371,256.80-479,054,302.80

Finding the Fourth Proportional to 970,105,786.80, 1,455,371,256.80 and 479,054,302.80

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Solution

The fourth proportional to 970,105,786.80, 1,455,371,256.80 and 479,054,302.80 is: 718,686,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,105,786.80 : 1,455,371,256.80 = 479,054,302.80 : x
  2. Step 2: Convert to fraction form
    970,105,786.80/1,455,371,256.80 = 479,054,302.80/x
  3. Step 3: Cross multiply
    970,105,786.80x = 1,455,371,256.80 × 479,054,302.80
  4. Step 4: Simplify right side
    970,105,786.80x = 697,201,862,741,483,776
  5. Step 5: Solve for x
    x = 697,201,862,741,483,776/970,105,786.80
  6. Step 6: Final answer
    x = 718,686,428.05

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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.