Home / 10,488,431,566.20-15,732,647,349.30-7,182,443,393.40

Finding the Fourth Proportional to 10,488,431,566.20, 15,732,647,349.30 and 7,182,443,393.40

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Solution

The fourth proportional to 10,488,431,566.20, 15,732,647,349.30 and 7,182,443,393.40 is: 10,773,665,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488,431,566.20 : 15,732,647,349.30 = 7,182,443,393.40 : x
  2. Step 2: Convert to fraction form
    10,488,431,566.20/15,732,647,349.30 = 7,182,443,393.40/x
  3. Step 3: Cross multiply
    10,488,431,566.20x = 15,732,647,349.30 × 7,182,443,393.40
  4. Step 4: Simplify right side
    10,488,431,566.20x = 112,998,849,014,671,802,368
  5. Step 5: Solve for x
    x = 112,998,849,014,671,802,368/10,488,431,566.20
  6. Step 6: Final answer
    x = 10,773,665,090.10

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1.5x scale

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.