Home / 880,833,868.32-1,215,628,192.18-484,426,712

Finding the Fourth Proportional to 880,833,868.32, 1,215,628,192.18 and 484,426,712

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Solution

The fourth proportional to 880,833,868.32, 1,215,628,192.18 and 484,426,712 is: 668,551,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,833,868.32 : 1,215,628,192.18 = 484,426,712 : x
  2. Step 2: Convert to fraction form
    880,833,868.32/1,215,628,192.18 = 484,426,712/x
  3. Step 3: Cross multiply
    880,833,868.32x = 1,215,628,192.18 × 484,426,712
  4. Step 4: Simplify right side
    880,833,868.32x = 588,882,768,152,261,504
  5. Step 5: Solve for x
    x = 588,882,768,152,261,504/880,833,868.32
  6. Step 6: Final answer
    x = 668,551,459.40

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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.