Home / 1,517,233,068.60-2,275,849,602.90-426,716,136.60

Finding the Fourth Proportional to 1,517,233,068.60, 2,275,849,602.90 and 426,716,136.60

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Solution

The fourth proportional to 1,517,233,068.60, 2,275,849,602.90 and 426,716,136.60 is: 640,074,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,233,068.60 : 2,275,849,602.90 = 426,716,136.60 : x
  2. Step 2: Convert to fraction form
    1,517,233,068.60/2,275,849,602.90 = 426,716,136.60/x
  3. Step 3: Cross multiply
    1,517,233,068.60x = 2,275,849,602.90 × 426,716,136.60
  4. Step 4: Simplify right side
    1,517,233,068.60x = 971,141,750,032,132,224
  5. Step 5: Solve for x
    x = 971,141,750,032,132,224/1,517,233,068.60
  6. Step 6: Final answer
    x = 640,074,204.90

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Double scale
Find fourth proportional to 1,517,233,069.60, 2,275,849,604.40 and 426,716,137.60
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.