Home / 970,096,412.80-1,455,357,195.60-479,044,928.80

Finding the Fourth Proportional to 970,096,412.80, 1,455,357,195.60 and 479,044,928.80

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Solution

The fourth proportional to 970,096,412.80, 1,455,357,195.60 and 479,044,928.80 is: 718,672,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,096,412.80 : 1,455,357,195.60 = 479,044,928.80 : x
  2. Step 2: Convert to fraction form
    970,096,412.80/1,455,357,195.60 = 479,044,928.80/x
  3. Step 3: Cross multiply
    970,096,412.80x = 1,455,357,195.60 × 479,044,928.80
  4. Step 4: Simplify right side
    970,096,412.80x = 697,181,484,144,769,664
  5. Step 5: Solve for x
    x = 697,181,484,144,769,664/970,096,412.80
  6. Step 6: Final answer
    x = 718,672,365.91

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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.