Home / 12,819,488,948.53-17,690,998,638.81-7,103,868,860.77

Finding the Fourth Proportional to 12,819,488,948.53, 17,690,998,638.81 and 7,103,868,860.77

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Solution

The fourth proportional to 12,819,488,948.53, 17,690,998,638.81 and 7,103,868,860.77 is: 9,803,396,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,488,948.53 : 17,690,998,638.81 = 7,103,868,860.77 : x
  2. Step 2: Convert to fraction form
    12,819,488,948.53/17,690,998,638.81 = 7,103,868,860.77/x
  3. Step 3: Cross multiply
    12,819,488,948.53x = 17,690,998,638.81 × 7,103,868,860.77
  4. Step 4: Simplify right side
    12,819,488,948.53x = 125,674,534,346,166,829,056
  5. Step 5: Solve for x
    x = 125,674,534,346,166,829,056/12,819,488,948.53
  6. Step 6: Final answer
    x = 9,803,396,598.00

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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.