Home / 1,736,090,717.60-2,604,136,076.40-645,348,087.20

Finding the Fourth Proportional to 1,736,090,717.60, 2,604,136,076.40 and 645,348,087.20

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Solution

The fourth proportional to 1,736,090,717.60, 2,604,136,076.40 and 645,348,087.20 is: 968,022,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,090,717.60 : 2,604,136,076.40 = 645,348,087.20 : x
  2. Step 2: Convert to fraction form
    1,736,090,717.60/2,604,136,076.40 = 645,348,087.20/x
  3. Step 3: Cross multiply
    1,736,090,717.60x = 2,604,136,076.40 × 645,348,087.20
  4. Step 4: Simplify right side
    1,736,090,717.60x = 1,680,574,235,713,253,120
  5. Step 5: Solve for x
    x = 1,680,574,235,713,253,120/1,736,090,717.60
  6. Step 6: Final answer
    x = 968,022,130.80

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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.