Home / 458,297,242,276.42-632,421,697,768.02-252,519,966,120.25

Finding the Fourth Proportional to 458,297,242,276.42, 632,421,697,768.02 and 252,519,966,120.25

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Solution

The fourth proportional to 458,297,242,276.42, 632,421,697,768.02 and 252,519,966,120.25 is: 348,461,851,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,297,242,276.42 : 632,421,697,768.02 = 252,519,966,120.25 : x
  2. Step 2: Convert to fraction form
    458,297,242,276.42/632,421,697,768.02 = 252,519,966,120.25/x
  3. Step 3: Cross multiply
    458,297,242,276.42x = 632,421,697,768.02 × 252,519,966,120.25
  4. Step 4: Simplify right side
    458,297,242,276.42x = 159,699,105,694,091,397,038,080
  5. Step 5: Solve for x
    x = 159,699,105,694,091,397,038,080/458,297,242,276.42
  6. Step 6: Final answer
    x = 348,461,851,746.80

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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.