Home / 876,244,319,071.55-1,209,216,243,221.50-490,871,377,621.22

Finding the Fourth Proportional to 876,244,319,071.55, 1,209,216,243,221.50 and 490,871,377,621.22

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Solution

The fourth proportional to 876,244,319,071.55, 1,209,216,243,221.50 and 490,871,377,621.22 is: 677,401,987,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,244,319,071.55 : 1,209,216,243,221.50 = 490,871,377,621.22 : x
  2. Step 2: Convert to fraction form
    876,244,319,071.55/1,209,216,243,221.50 = 490,871,377,621.22/x
  3. Step 3: Cross multiply
    876,244,319,071.55x = 1,209,216,243,221.50 × 490,871,377,621.22
  4. Step 4: Simplify right side
    876,244,319,071.55x = 593,569,643,152,093,910,925,312
  5. Step 5: Solve for x
    x = 593,569,643,152,093,910,925,312/876,244,319,071.55
  6. Step 6: Final answer
    x = 677,401,987,360.13

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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.