Home / 1,448,135,287.40-2,172,202,931.10-528,041,642.60

Finding the Fourth Proportional to 1,448,135,287.40, 2,172,202,931.10 and 528,041,642.60

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Solution

The fourth proportional to 1,448,135,287.40, 2,172,202,931.10 and 528,041,642.60 is: 792,062,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,135,287.40 : 2,172,202,931.10 = 528,041,642.60 : x
  2. Step 2: Convert to fraction form
    1,448,135,287.40/2,172,202,931.10 = 528,041,642.60/x
  3. Step 3: Cross multiply
    1,448,135,287.40x = 2,172,202,931.10 × 528,041,642.60
  4. Step 4: Simplify right side
    1,448,135,287.40x = 1,147,013,603,798,578,688
  5. Step 5: Solve for x
    x = 1,147,013,603,798,578,688/1,448,135,287.40
  6. Step 6: Final answer
    x = 792,062,463.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.