Home / 31,360,334,654.25-43,276,714,539.35-17,087,280,421.77

Finding the Fourth Proportional to 31,360,334,654.25, 43,276,714,539.35 and 17,087,280,421.77

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Solution

The fourth proportional to 31,360,334,654.25, 43,276,714,539.35 and 17,087,280,421.77 is: 23,580,148,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360,334,654.25 : 43,276,714,539.35 = 17,087,280,421.77 : x
  2. Step 2: Convert to fraction form
    31,360,334,654.25/43,276,714,539.35 = 17,087,280,421.77/x
  3. Step 3: Cross multiply
    31,360,334,654.25x = 43,276,714,539.35 × 17,087,280,421.77
  4. Step 4: Simplify right side
    31,360,334,654.25x = 739,481,357,066,678,960,128
  5. Step 5: Solve for x
    x = 739,481,357,066,678,960,128/31,360,334,654.25
  6. Step 6: Final answer
    x = 23,580,148,784.11

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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.