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Finding the Fourth Proportional to 907,746,774.90, 1,359,604,623.15 and 746,503,638.90

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Solution

The fourth proportional to 907,746,774.90, 1,359,604,623.15 and 746,503,638.90 is: 1,118,097,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,746,774.90 : 1,359,604,623.15 = 746,503,638.90 : x
  2. Step 2: Convert to fraction form
    907,746,774.90/1,359,604,623.15 = 746,503,638.90/x
  3. Step 3: Cross multiply
    907,746,774.90x = 1,359,604,623.15 × 746,503,638.90
  4. Step 4: Simplify right side
    907,746,774.90x = 1,014,949,798,646,738,176
  5. Step 5: Solve for x
    x = 1,014,949,798,646,738,176/907,746,774.90
  6. Step 6: Final answer
    x = 1,118,097,939.55

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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.