Home / 1,331,392,901.40-1,997,089,352.10-555,595,329.60

Finding the Fourth Proportional to 1,331,392,901.40, 1,997,089,352.10 and 555,595,329.60

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Solution

The fourth proportional to 1,331,392,901.40, 1,997,089,352.10 and 555,595,329.60 is: 833,392,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,392,901.40 : 1,997,089,352.10 = 555,595,329.60 : x
  2. Step 2: Convert to fraction form
    1,331,392,901.40/1,997,089,352.10 = 555,595,329.60/x
  3. Step 3: Cross multiply
    1,331,392,901.40x = 1,997,089,352.10 × 555,595,329.60
  4. Step 4: Simplify right side
    1,331,392,901.40x = 1,109,573,516,820,649,984
  5. Step 5: Solve for x
    x = 1,109,573,516,820,649,984/1,331,392,901.40
  6. Step 6: Final answer
    x = 833,392,994.40

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Double scale
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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.