Home / 12,819,482,296.16-17,690,989,440.87-7,103,862,195.19

Finding the Fourth Proportional to 12,819,482,296.16, 17,690,989,440.87 and 7,103,862,195.19

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Solution

The fourth proportional to 12,819,482,296.16, 17,690,989,440.87 and 7,103,862,195.19 is: 9,803,387,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,296.16 : 17,690,989,440.87 = 7,103,862,195.19 : x
  2. Step 2: Convert to fraction form
    12,819,482,296.16/17,690,989,440.87 = 7,103,862,195.19/x
  3. Step 3: Cross multiply
    12,819,482,296.16x = 17,690,989,440.87 × 7,103,862,195.19
  4. Step 4: Simplify right side
    12,819,482,296.16x = 125,674,351,084,501,860,352
  5. Step 5: Solve for x
    x = 125,674,351,084,501,860,352/12,819,482,296.16
  6. Step 6: Final answer
    x = 9,803,387,389.69

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Double scale
Find fourth proportional to 12,819,482,297.16, 17,690,989,442.25 and 7,103,862,196.19
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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.