Home / 5,136,563,315.60-7,704,844,973.40-1,259,169,779.60

Finding the Fourth Proportional to 5,136,563,315.60, 7,704,844,973.40 and 1,259,169,779.60

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Solution

The fourth proportional to 5,136,563,315.60, 7,704,844,973.40 and 1,259,169,779.60 is: 1,888,754,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,563,315.60 : 7,704,844,973.40 = 1,259,169,779.60 : x
  2. Step 2: Convert to fraction form
    5,136,563,315.60/7,704,844,973.40 = 1,259,169,779.60/x
  3. Step 3: Cross multiply
    5,136,563,315.60x = 7,704,844,973.40 × 1,259,169,779.60
  4. Step 4: Simplify right side
    5,136,563,315.60x = 9,701,707,947,008,243,712
  5. Step 5: Solve for x
    x = 9,701,707,947,008,243,712/5,136,563,315.60
  6. Step 6: Final answer
    x = 1,888,754,669.40

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Double scale
Find fourth proportional to 5,136,563,316.60, 7,704,844,974.90 and 1,259,169,780.60
Similar ratio
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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.