Home / 920,295,572.18-1,270,039,229.64-544,274,492.63

Finding the Fourth Proportional to 920,295,572.18, 1,270,039,229.64 and 544,274,492.63

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Solution

The fourth proportional to 920,295,572.18, 1,270,039,229.64 and 544,274,492.63 is: 751,117,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,295,572.18 : 1,270,039,229.64 = 544,274,492.63 : x
  2. Step 2: Convert to fraction form
    920,295,572.18/1,270,039,229.64 = 544,274,492.63/x
  3. Step 3: Cross multiply
    920,295,572.18x = 1,270,039,229.64 × 544,274,492.63
  4. Step 4: Simplify right side
    920,295,572.18x = 691,249,957,326,156,928
  5. Step 5: Solve for x
    x = 691,249,957,326,156,928/920,295,572.18
  6. Step 6: Final answer
    x = 751,117,334.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.