Home / 435,480,605.40-653,220,908.10-353,851,267.80

Finding the Fourth Proportional to 435,480,605.40, 653,220,908.10 and 353,851,267.80

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Solution

The fourth proportional to 435,480,605.40, 653,220,908.10 and 353,851,267.80 is: 530,776,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480,605.40 : 653,220,908.10 = 353,851,267.80 : x
  2. Step 2: Convert to fraction form
    435,480,605.40/653,220,908.10 = 353,851,267.80/x
  3. Step 3: Cross multiply
    435,480,605.40x = 653,220,908.10 × 353,851,267.80
  4. Step 4: Simplify right side
    435,480,605.40x = 231,143,046,484,652,320
  5. Step 5: Solve for x
    x = 231,143,046,484,652,320/435,480,605.40
  6. Step 6: Final answer
    x = 530,776,901.70

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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.