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Finding the Fourth Proportional to 569,771,432.60, 854,657,148.90 and 477,938,427.80

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Solution

The fourth proportional to 569,771,432.60, 854,657,148.90 and 477,938,427.80 is: 716,907,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,771,432.60 : 854,657,148.90 = 477,938,427.80 : x
  2. Step 2: Convert to fraction form
    569,771,432.60/854,657,148.90 = 477,938,427.80/x
  3. Step 3: Cross multiply
    569,771,432.60x = 854,657,148.90 × 477,938,427.80
  4. Step 4: Simplify right side
    569,771,432.60x = 408,473,494,053,296,512
  5. Step 5: Solve for x
    x = 408,473,494,053,296,512/569,771,432.60
  6. Step 6: Final answer
    x = 716,907,641.70

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Double scale
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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.