Home / 30,556,610,886.76-42,168,124,968.02-17,007,956,380.52

Finding the Fourth Proportional to 30,556,610,886.76, 42,168,124,968.02 and 17,007,956,380.52

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Solution

The fourth proportional to 30,556,610,886.76, 42,168,124,968.02 and 17,007,956,380.52 is: 23,470,980,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,610,886.76 : 42,168,124,968.02 = 17,007,956,380.52 : x
  2. Step 2: Convert to fraction form
    30,556,610,886.76/42,168,124,968.02 = 17,007,956,380.52/x
  3. Step 3: Cross multiply
    30,556,610,886.76x = 42,168,124,968.02 × 17,007,956,380.52
  4. Step 4: Simplify right side
    30,556,610,886.76x = 717,193,630,104,400,429,056
  5. Step 5: Solve for x
    x = 717,193,630,104,400,429,056/30,556,610,886.76
  6. Step 6: Final answer
    x = 23,470,980,887.32

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Double scale
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1.5x scale

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.