Home / 990,078,596,357.60-1,485,117,894,536.40-990,078,596,357.60

Finding the Fourth Proportional to 990,078,596,357.60, 1,485,117,894,536.40 and 990,078,596,357.60

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Solution

The fourth proportional to 990,078,596,357.60, 1,485,117,894,536.40 and 990,078,596,357.60 is: 1,485,117,894,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,078,596,357.60 : 1,485,117,894,536.40 = 990,078,596,357.60 : x
  2. Step 2: Convert to fraction form
    990,078,596,357.60/1,485,117,894,536.40 = 990,078,596,357.60/x
  3. Step 3: Cross multiply
    990,078,596,357.60x = 1,485,117,894,536.40 × 990,078,596,357.60
  4. Step 4: Simplify right side
    990,078,596,357.60x = 1,470,383,440,448,153,018,433,536
  5. Step 5: Solve for x
    x = 1,470,383,440,448,153,018,433,536/990,078,596,357.60
  6. Step 6: Final answer
    x = 1,485,117,894,536.40

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Double scale
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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.