Home / 990,078,552,005.10-1,485,117,828,007.60-990,078,552,005.10

Finding the Fourth Proportional to 990,078,552,005.10, 1,485,117,828,007.60 and 990,078,552,005.10

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Solution

The fourth proportional to 990,078,552,005.10, 1,485,117,828,007.60 and 990,078,552,005.10 is: 1,485,117,828,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,078,552,005.10 : 1,485,117,828,007.60 = 990,078,552,005.10 : x
  2. Step 2: Convert to fraction form
    990,078,552,005.10/1,485,117,828,007.60 = 990,078,552,005.10/x
  3. Step 3: Cross multiply
    990,078,552,005.10x = 1,485,117,828,007.60 × 990,078,552,005.10
  4. Step 4: Simplify right side
    990,078,552,005.10x = 1,470,383,308,710,723,803,152,384
  5. Step 5: Solve for x
    x = 1,470,383,308,710,723,803,152,384/990,078,552,005.10
  6. Step 6: Final answer
    x = 1,485,117,828,007.60

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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.