Home / 732,889,905.60-1,099,334,858.40-660,330,494.40

Finding the Fourth Proportional to 732,889,905.60, 1,099,334,858.40 and 660,330,494.40

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Solution

The fourth proportional to 732,889,905.60, 1,099,334,858.40 and 660,330,494.40 is: 990,495,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,889,905.60 : 1,099,334,858.40 = 660,330,494.40 : x
  2. Step 2: Convert to fraction form
    732,889,905.60/1,099,334,858.40 = 660,330,494.40/x
  3. Step 3: Cross multiply
    732,889,905.60x = 1,099,334,858.40 × 660,330,494.40
  4. Step 4: Simplify right side
    732,889,905.60x = 725,924,330,558,425,984
  5. Step 5: Solve for x
    x = 725,924,330,558,425,984/732,889,905.60
  6. Step 6: Final answer
    x = 990,495,741.60

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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.