Home / 885,693,698.60-1,328,540,547.90-340,453,020.20

Finding the Fourth Proportional to 885,693,698.60, 1,328,540,547.90 and 340,453,020.20

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Solution

The fourth proportional to 885,693,698.60, 1,328,540,547.90 and 340,453,020.20 is: 510,679,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,693,698.60 : 1,328,540,547.90 = 340,453,020.20 : x
  2. Step 2: Convert to fraction form
    885,693,698.60/1,328,540,547.90 = 340,453,020.20/x
  3. Step 3: Cross multiply
    885,693,698.60x = 1,328,540,547.90 × 340,453,020.20
  4. Step 4: Simplify right side
    885,693,698.60x = 452,305,641,990,717,760
  5. Step 5: Solve for x
    x = 452,305,641,990,717,760/885,693,698.60
  6. Step 6: Final answer
    x = 510,679,530.30

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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.