Home / 760,369,142.88-1,049,189,561.22-442,881,640.08

Finding the Fourth Proportional to 760,369,142.88, 1,049,189,561.22 and 442,881,640.08

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Solution

The fourth proportional to 760,369,142.88, 1,049,189,561.22 and 442,881,640.08 is: 611,106,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,369,142.88 : 1,049,189,561.22 = 442,881,640.08 : x
  2. Step 2: Convert to fraction form
    760,369,142.88/1,049,189,561.22 = 442,881,640.08/x
  3. Step 3: Cross multiply
    760,369,142.88x = 1,049,189,561.22 × 442,881,640.08
  4. Step 4: Simplify right side
    760,369,142.88x = 464,666,793,627,929,152
  5. Step 5: Solve for x
    x = 464,666,793,627,929,152/760,369,142.88
  6. Step 6: Final answer
    x = 611,106,852.48

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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.