Home / 1,208,963,518,915-1,813,700,000,696.50-392,072,569,257.10

Finding the Fourth Proportional to 1,208,963,518,915, 1,813,700,000,696.50 and 392,072,569,257.10

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Solution

The fourth proportional to 1,208,963,518,915, 1,813,700,000,696.50 and 392,072,569,257.10 is: 588,191,461,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,963,518,915 : 1,813,700,000,696.50 = 392,072,569,257.10 : x
  2. Step 2: Convert to fraction form
    1,208,963,518,915/1,813,700,000,696.50 = 392,072,569,257.10/x
  3. Step 3: Cross multiply
    1,208,963,518,915x = 1,813,700,000,696.50 × 392,072,569,257.10
  4. Step 4: Simplify right side
    1,208,963,518,915x = 711,102,019,134,680,729,649,152
  5. Step 5: Solve for x
    x = 711,102,019,134,680,729,649,152/1,208,963,518,915
  6. Step 6: Final answer
    x = 588,191,461,536.30

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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.