Home / 814,822,806.36-1,124,482,603.58-457,653,428.28

Finding the Fourth Proportional to 814,822,806.36, 1,124,482,603.58 and 457,653,428.28

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Solution

The fourth proportional to 814,822,806.36, 1,124,482,603.58 and 457,653,428.28 is: 631,576,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,822,806.36 : 1,124,482,603.58 = 457,653,428.28 : x
  2. Step 2: Convert to fraction form
    814,822,806.36/1,124,482,603.58 = 457,653,428.28/x
  3. Step 3: Cross multiply
    814,822,806.36x = 1,124,482,603.58 × 457,653,428.28
  4. Step 4: Simplify right side
    814,822,806.36x = 514,623,318,569,607,104
  5. Step 5: Solve for x
    x = 514,623,318,569,607,104/814,822,806.36
  6. Step 6: Final answer
    x = 631,576,969.32

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1.5x scale

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.