Home / 1,229,362,567.37-1,696,525,419.33-664,847,436.71

Finding the Fourth Proportional to 1,229,362,567.37, 1,696,525,419.33 and 664,847,436.71

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Solution

The fourth proportional to 1,229,362,567.37, 1,696,525,419.33 and 664,847,436.71 is: 917,492,207.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,362,567.37 : 1,696,525,419.33 = 664,847,436.71 : x
  2. Step 2: Convert to fraction form
    1,229,362,567.37/1,696,525,419.33 = 664,847,436.71/x
  3. Step 3: Cross multiply
    1,229,362,567.37x = 1,696,525,419.33 × 664,847,436.71
  4. Step 4: Simplify right side
    1,229,362,567.37x = 1,127,930,576,354,908,416
  5. Step 5: Solve for x
    x = 1,127,930,576,354,908,416/1,229,362,567.37
  6. Step 6: Final answer
    x = 917,492,207.99

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Find fourth proportional to 1,229,362,568.37, 1,696,525,420.71 and 664,847,437.71
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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.