Home / 786,840,186.22-1,085,817,810.36-434,409,772.66

Finding the Fourth Proportional to 786,840,186.22, 1,085,817,810.36 and 434,409,772.66

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Solution

The fourth proportional to 786,840,186.22, 1,085,817,810.36 and 434,409,772.66 is: 599,473,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,840,186.22 : 1,085,817,810.36 = 434,409,772.66 : x
  2. Step 2: Convert to fraction form
    786,840,186.22/1,085,817,810.36 = 434,409,772.66/x
  3. Step 3: Cross multiply
    786,840,186.22x = 1,085,817,810.36 × 434,409,772.66
  4. Step 4: Simplify right side
    786,840,186.22x = 471,689,868,148,666,560
  5. Step 5: Solve for x
    x = 471,689,868,148,666,560/786,840,186.22
  6. Step 6: Final answer
    x = 599,473,535.30

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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.