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Finding the Fourth Proportional to 595,657,486.80, 893,486,230.20 and 442,602,478.80

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Solution

The fourth proportional to 595,657,486.80, 893,486,230.20 and 442,602,478.80 is: 663,903,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,657,486.80 : 893,486,230.20 = 442,602,478.80 : x
  2. Step 2: Convert to fraction form
    595,657,486.80/893,486,230.20 = 442,602,478.80/x
  3. Step 3: Cross multiply
    595,657,486.80x = 893,486,230.20 × 442,602,478.80
  4. Step 4: Simplify right side
    595,657,486.80x = 395,459,220,260,187,456
  5. Step 5: Solve for x
    x = 395,459,220,260,187,456/595,657,486.80
  6. Step 6: Final answer
    x = 663,903,718.20

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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.