Home / 1,264,545,468.82-1,745,093,406.71-692,318,973.92

Finding the Fourth Proportional to 1,264,545,468.82, 1,745,093,406.71 and 692,318,973.92

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Solution

The fourth proportional to 1,264,545,468.82, 1,745,093,406.71 and 692,318,973.92 is: 955,411,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,545,468.82 : 1,745,093,406.71 = 692,318,973.92 : x
  2. Step 2: Convert to fraction form
    1,264,545,468.82/1,745,093,406.71 = 692,318,973.92/x
  3. Step 3: Cross multiply
    1,264,545,468.82x = 1,745,093,406.71 × 692,318,973.92
  4. Step 4: Simplify right side
    1,264,545,468.82x = 1,208,161,276,721,029,888
  5. Step 5: Solve for x
    x = 1,208,161,276,721,029,888/1,264,545,468.82
  6. Step 6: Final answer
    x = 955,411,494.89

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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.