Home / 453,939,244.80-680,908,867.20-315,389,587.20

Finding the Fourth Proportional to 453,939,244.80, 680,908,867.20 and 315,389,587.20

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Solution

The fourth proportional to 453,939,244.80, 680,908,867.20 and 315,389,587.20 is: 473,084,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,939,244.80 : 680,908,867.20 = 315,389,587.20 : x
  2. Step 2: Convert to fraction form
    453,939,244.80/680,908,867.20 = 315,389,587.20/x
  3. Step 3: Cross multiply
    453,939,244.80x = 680,908,867.20 × 315,389,587.20
  4. Step 4: Simplify right side
    453,939,244.80x = 214,751,566,547,027,616
  5. Step 5: Solve for x
    x = 214,751,566,547,027,616/453,939,244.80
  6. Step 6: Final answer
    x = 473,084,380.80

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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.