Home / 12,938,278,309.70-19,411,000,645.35-8,584,713,637.70

Finding the Fourth Proportional to 12,938,278,309.70, 19,411,000,645.35 and 8,584,713,637.70

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Solution

The fourth proportional to 12,938,278,309.70, 19,411,000,645.35 and 8,584,713,637.70 is: 12,879,447,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,278,309.70 : 19,411,000,645.35 = 8,584,713,637.70 : x
  2. Step 2: Convert to fraction form
    12,938,278,309.70/19,411,000,645.35 = 8,584,713,637.70/x
  3. Step 3: Cross multiply
    12,938,278,309.70x = 19,411,000,645.35 × 8,584,713,637.70
  4. Step 4: Simplify right side
    12,938,278,309.70x = 166,637,881,961,539,633,152
  5. Step 5: Solve for x
    x = 166,637,881,961,539,633,152/12,938,278,309.70
  6. Step 6: Final answer
    x = 12,879,447,942.98

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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.