Home / 885,351,214.60-1,328,026,821.90-873,257,979.40

Finding the Fourth Proportional to 885,351,214.60, 1,328,026,821.90 and 873,257,979.40

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Solution

The fourth proportional to 885,351,214.60, 1,328,026,821.90 and 873,257,979.40 is: 1,309,886,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,351,214.60 : 1,328,026,821.90 = 873,257,979.40 : x
  2. Step 2: Convert to fraction form
    885,351,214.60/1,328,026,821.90 = 873,257,979.40/x
  3. Step 3: Cross multiply
    885,351,214.60x = 1,328,026,821.90 × 873,257,979.40
  4. Step 4: Simplify right side
    885,351,214.60x = 1,159,710,019,081,397,760
  5. Step 5: Solve for x
    x = 1,159,710,019,081,397,760/885,351,214.60
  6. Step 6: Final answer
    x = 1,309,886,969.10

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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.