Home / 435,664,657.80-653,496,986.70-405,053,656.20

Finding the Fourth Proportional to 435,664,657.80, 653,496,986.70 and 405,053,656.20

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Solution

The fourth proportional to 435,664,657.80, 653,496,986.70 and 405,053,656.20 is: 607,580,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,664,657.80 : 653,496,986.70 = 405,053,656.20 : x
  2. Step 2: Convert to fraction form
    435,664,657.80/653,496,986.70 = 405,053,656.20/x
  3. Step 3: Cross multiply
    435,664,657.80x = 653,496,986.70 × 405,053,656.20
  4. Step 4: Simplify right side
    435,664,657.80x = 264,701,343,778,517,792
  5. Step 5: Solve for x
    x = 264,701,343,778,517,792/435,664,657.80
  6. Step 6: Final answer
    x = 607,580,484.30

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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.