Home / 525,312,136.80-787,968,205.20-510,195,592.80

Finding the Fourth Proportional to 525,312,136.80, 787,968,205.20 and 510,195,592.80

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Solution

The fourth proportional to 525,312,136.80, 787,968,205.20 and 510,195,592.80 is: 765,293,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,312,136.80 : 787,968,205.20 = 510,195,592.80 : x
  2. Step 2: Convert to fraction form
    525,312,136.80/787,968,205.20 = 510,195,592.80/x
  3. Step 3: Cross multiply
    525,312,136.80x = 787,968,205.20 × 510,195,592.80
  4. Step 4: Simplify right side
    525,312,136.80x = 402,017,905,559,566,080
  5. Step 5: Solve for x
    x = 402,017,905,559,566,080/525,312,136.80
  6. Step 6: Final answer
    x = 765,293,389.20

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Double scale
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Similar ratio
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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.