Home / 1,289,946,048,552.90-1,934,919,072,829.20-395,578,746,101.70

Finding the Fourth Proportional to 1,289,946,048,552.90, 1,934,919,072,829.20 and 395,578,746,101.70

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Solution

The fourth proportional to 1,289,946,048,552.90, 1,934,919,072,829.20 and 395,578,746,101.70 is: 593,368,119,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,946,048,552.90 : 1,934,919,072,829.20 = 395,578,746,101.70 : x
  2. Step 2: Convert to fraction form
    1,289,946,048,552.90/1,934,919,072,829.20 = 395,578,746,101.70/x
  3. Step 3: Cross multiply
    1,289,946,048,552.90x = 1,934,919,072,829.20 × 395,578,746,101.70
  4. Step 4: Simplify right side
    1,289,946,048,552.90x = 765,412,860,638,038,935,470,080
  5. Step 5: Solve for x
    x = 765,412,860,638,038,935,470,080/1,289,946,048,552.90
  6. Step 6: Final answer
    x = 593,368,119,152.50

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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.