Home / 1,229,362,566.10-1,696,525,417.60-664,847,435.46

Finding the Fourth Proportional to 1,229,362,566.10, 1,696,525,417.60 and 664,847,435.46

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Solution

The fourth proportional to 1,229,362,566.10, 1,696,525,417.60 and 664,847,435.46 is: 917,492,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,362,566.10 : 1,696,525,417.60 = 664,847,435.46 : x
  2. Step 2: Convert to fraction form
    1,229,362,566.10/1,696,525,417.60 = 664,847,435.46/x
  3. Step 3: Cross multiply
    1,229,362,566.10x = 1,696,525,417.60 × 664,847,435.46
  4. Step 4: Simplify right side
    1,229,362,566.10x = 1,127,930,573,084,065,536
  5. Step 5: Solve for x
    x = 1,127,930,573,084,065,536/1,229,362,566.10
  6. Step 6: Final answer
    x = 917,492,206.28

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Double scale
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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.