Home / 1,048,829,158.55-1,447,384,382.87-578,930,579.12

Finding the Fourth Proportional to 1,048,829,158.55, 1,447,384,382.87 and 578,930,579.12

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Solution

The fourth proportional to 1,048,829,158.55, 1,447,384,382.87 and 578,930,579.12 is: 798,924,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,829,158.55 : 1,447,384,382.87 = 578,930,579.12 : x
  2. Step 2: Convert to fraction form
    1,048,829,158.55/1,447,384,382.87 = 578,930,579.12/x
  3. Step 3: Cross multiply
    1,048,829,158.55x = 1,447,384,382.87 × 578,930,579.12
  4. Step 4: Simplify right side
    1,048,829,158.55x = 837,935,078,984,896,640
  5. Step 5: Solve for x
    x = 837,935,078,984,896,640/1,048,829,158.55
  6. Step 6: Final answer
    x = 798,924,278.71

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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.