Home / 435,480,607.40-653,220,911.10-353,851,269.80

Finding the Fourth Proportional to 435,480,607.40, 653,220,911.10 and 353,851,269.80

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Solution

The fourth proportional to 435,480,607.40, 653,220,911.10 and 353,851,269.80 is: 530,776,904.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480,607.40 : 653,220,911.10 = 353,851,269.80 : x
  2. Step 2: Convert to fraction form
    435,480,607.40/653,220,911.10 = 353,851,269.80/x
  3. Step 3: Cross multiply
    435,480,607.40x = 653,220,911.10 × 353,851,269.80
  4. Step 4: Simplify right side
    435,480,607.40x = 231,143,048,852,647,936
  5. Step 5: Solve for x
    x = 231,143,048,852,647,936/435,480,607.40
  6. Step 6: Final answer
    x = 530,776,904.70

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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.