Home / 1,288,078,869,698.20-1,932,118,304,547.30-345,967,474,677.40

Finding the Fourth Proportional to 1,288,078,869,698.20, 1,932,118,304,547.30 and 345,967,474,677.40

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Solution

The fourth proportional to 1,288,078,869,698.20, 1,932,118,304,547.30 and 345,967,474,677.40 is: 518,951,212,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,078,869,698.20 : 1,932,118,304,547.30 = 345,967,474,677.40 : x
  2. Step 2: Convert to fraction form
    1,288,078,869,698.20/1,932,118,304,547.30 = 345,967,474,677.40/x
  3. Step 3: Cross multiply
    1,288,078,869,698.20x = 1,932,118,304,547.30 × 345,967,474,677.40
  4. Step 4: Simplify right side
    1,288,078,869,698.20x = 668,450,090,602,209,090,732,032
  5. Step 5: Solve for x
    x = 668,450,090,602,209,090,732,032/1,288,078,869,698.20
  6. Step 6: Final answer
    x = 518,951,212,016.10

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Double scale
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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.