Home / 28,460,383,815.18-39,275,333,387.79-15,773,938,522.86

Finding the Fourth Proportional to 28,460,383,815.18, 39,275,333,387.79 and 15,773,938,522.86

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Solution

The fourth proportional to 28,460,383,815.18, 39,275,333,387.79 and 15,773,938,522.86 is: 21,768,037,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,383,815.18 : 39,275,333,387.79 = 15,773,938,522.86 : x
  2. Step 2: Convert to fraction form
    28,460,383,815.18/39,275,333,387.79 = 15,773,938,522.86/x
  3. Step 3: Cross multiply
    28,460,383,815.18x = 39,275,333,387.79 × 15,773,938,522.86
  4. Step 4: Simplify right side
    28,460,383,815.18x = 619,526,694,323,830,259,712
  5. Step 5: Solve for x
    x = 619,526,694,323,830,259,712/28,460,383,815.18
  6. Step 6: Final answer
    x = 21,768,037,224.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.