Home / 958,144,307.10-1,322,247,069.27-528,995,420.70

Finding the Fourth Proportional to 958,144,307.10, 1,322,247,069.27 and 528,995,420.70

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Solution

The fourth proportional to 958,144,307.10, 1,322,247,069.27 and 528,995,420.70 is: 730,018,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,144,307.10 : 1,322,247,069.27 = 528,995,420.70 : x
  2. Step 2: Convert to fraction form
    958,144,307.10/1,322,247,069.27 = 528,995,420.70/x
  3. Step 3: Cross multiply
    958,144,307.10x = 1,322,247,069.27 × 528,995,420.70
  4. Step 4: Simplify right side
    958,144,307.10x = 699,462,644,677,825,664
  5. Step 5: Solve for x
    x = 699,462,644,677,825,664/958,144,307.10
  6. Step 6: Final answer
    x = 730,018,056.25

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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.