Home / 847,069,738.94-1,269,506,092.88-380,386,567.10

Finding the Fourth Proportional to 847,069,738.94, 1,269,506,092.88 and 380,386,567.10

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Solution

The fourth proportional to 847,069,738.94, 1,269,506,092.88 and 380,386,567.10 is: 570,086,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,069,738.94 : 1,269,506,092.88 = 380,386,567.10 : x
  2. Step 2: Convert to fraction form
    847,069,738.94/1,269,506,092.88 = 380,386,567.10/x
  3. Step 3: Cross multiply
    847,069,738.94x = 1,269,506,092.88 × 380,386,567.10
  4. Step 4: Simplify right side
    847,069,738.94x = 482,903,064,577,760,384
  5. Step 5: Solve for x
    x = 482,903,064,577,760,384/847,069,738.94
  6. Step 6: Final answer
    x = 570,086,549.41

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1.5x scale

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.