Home / 1,638,148,547.80-2,457,222,821.70-602,795,191.60

Finding the Fourth Proportional to 1,638,148,547.80, 2,457,222,821.70 and 602,795,191.60

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Solution

The fourth proportional to 1,638,148,547.80, 2,457,222,821.70 and 602,795,191.60 is: 904,192,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,148,547.80 : 2,457,222,821.70 = 602,795,191.60 : x
  2. Step 2: Convert to fraction form
    1,638,148,547.80/2,457,222,821.70 = 602,795,191.60/x
  3. Step 3: Cross multiply
    1,638,148,547.80x = 2,457,222,821.70 × 602,795,191.60
  4. Step 4: Simplify right side
    1,638,148,547.80x = 1,481,202,101,610,544,128
  5. Step 5: Solve for x
    x = 1,481,202,101,610,544,128/1,638,148,547.80
  6. Step 6: Final answer
    x = 904,192,787.40

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Double scale
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Similar ratio
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1.5x scale

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.