Home / 13,065,405,486,818-18,030,167,849,781-7,132,660,173,765.60

Finding the Fourth Proportional to 13,065,405,486,818, 18,030,167,849,781 and 7,132,660,173,765.60

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Solution

The fourth proportional to 13,065,405,486,818, 18,030,167,849,781 and 7,132,660,173,765.60 is: 9,843,020,966,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,405,486,818 : 18,030,167,849,781 = 7,132,660,173,765.60 : x
  2. Step 2: Convert to fraction form
    13,065,405,486,818/18,030,167,849,781 = 7,132,660,173,765.60/x
  3. Step 3: Cross multiply
    13,065,405,486,818x = 18,030,167,849,781 × 7,132,660,173,765.60
  4. Step 4: Simplify right side
    13,065,405,486,818x = 128,603,060,148,441,873,196,777,472
  5. Step 5: Solve for x
    x = 128,603,060,148,441,873,196,777,472/13,065,405,486,818
  6. Step 6: Final answer
    x = 9,843,020,966,949.14

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Double scale
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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.