Home / 1,180,988,539.60-1,771,482,809.40-404,376,091.60

Finding the Fourth Proportional to 1,180,988,539.60, 1,771,482,809.40 and 404,376,091.60

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Solution

The fourth proportional to 1,180,988,539.60, 1,771,482,809.40 and 404,376,091.60 is: 606,564,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,988,539.60 : 1,771,482,809.40 = 404,376,091.60 : x
  2. Step 2: Convert to fraction form
    1,180,988,539.60/1,771,482,809.40 = 404,376,091.60/x
  3. Step 3: Cross multiply
    1,180,988,539.60x = 1,771,482,809.40 × 404,376,091.60
  4. Step 4: Simplify right side
    1,180,988,539.60x = 716,345,294,801,759,872
  5. Step 5: Solve for x
    x = 716,345,294,801,759,872/1,180,988,539.60
  6. Step 6: Final answer
    x = 606,564,137.40

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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.