Home / 1,422,914,562.25-1,963,683,459.44-787,835,066.18

Finding the Fourth Proportional to 1,422,914,562.25, 1,963,683,459.44 and 787,835,066.18

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Solution

The fourth proportional to 1,422,914,562.25, 1,963,683,459.44 and 787,835,066.18 is: 1,087,246,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,914,562.25 : 1,963,683,459.44 = 787,835,066.18 : x
  2. Step 2: Convert to fraction form
    1,422,914,562.25/1,963,683,459.44 = 787,835,066.18/x
  3. Step 3: Cross multiply
    1,422,914,562.25x = 1,963,683,459.44 × 787,835,066.18
  4. Step 4: Simplify right side
    1,422,914,562.25x = 1,547,058,688,213,719,808
  5. Step 5: Solve for x
    x = 1,547,058,688,213,719,808/1,422,914,562.25
  6. Step 6: Final answer
    x = 1,087,246,366.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.