Home / 989,379,788.30-1,483,868,128.52-375,748,878.86

Finding the Fourth Proportional to 989,379,788.30, 1,483,868,128.52 and 375,748,878.86

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Solution

The fourth proportional to 989,379,788.30, 1,483,868,128.52 and 375,748,878.86 is: 563,546,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,379,788.30 : 1,483,868,128.52 = 375,748,878.86 : x
  2. Step 2: Convert to fraction form
    989,379,788.30/1,483,868,128.52 = 375,748,878.86/x
  3. Step 3: Cross multiply
    989,379,788.30x = 1,483,868,128.52 × 375,748,878.86
  4. Step 4: Simplify right side
    989,379,788.30x = 557,561,785,660,996,480
  5. Step 5: Solve for x
    x = 557,561,785,660,996,480/989,379,788.30
  6. Step 6: Final answer
    x = 563,546,771.68

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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.