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Finding the Fourth Proportional to 886,606,492.80, 1,326,886,430.40 and 886,606,492.80

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Solution

The fourth proportional to 886,606,492.80, 1,326,886,430.40 and 886,606,492.80 is: 1,326,886,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,606,492.80 : 1,326,886,430.40 = 886,606,492.80 : x
  2. Step 2: Convert to fraction form
    886,606,492.80/1,326,886,430.40 = 886,606,492.80/x
  3. Step 3: Cross multiply
    886,606,492.80x = 1,326,886,430.40 × 886,606,492.80
  4. Step 4: Simplify right side
    886,606,492.80x = 1,176,426,124,400,855,296
  5. Step 5: Solve for x
    x = 1,176,426,124,400,855,296/886,606,492.80
  6. Step 6: Final answer
    x = 1,326,886,430.40

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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.