Home / 1,220,180,890,953.50-1,683,865,050,418.70-671,535,344,868.34

Finding the Fourth Proportional to 1,220,180,890,953.50, 1,683,865,050,418.70 and 671,535,344,868.34

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Solution

The fourth proportional to 1,220,180,890,953.50, 1,683,865,050,418.70 and 671,535,344,868.34 is: 926,727,262,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,180,890,953.50 : 1,683,865,050,418.70 = 671,535,344,868.34 : x
  2. Step 2: Convert to fraction form
    1,220,180,890,953.50/1,683,865,050,418.70 = 671,535,344,868.34/x
  3. Step 3: Cross multiply
    1,220,180,890,953.50x = 1,683,865,050,418.70 × 671,535,344,868.34
  4. Step 4: Simplify right side
    1,220,180,890,953.50x = 1,130,774,897,344,666,392,330,240
  5. Step 5: Solve for x
    x = 1,130,774,897,344,666,392,330,240/1,220,180,890,953.50
  6. Step 6: Final answer
    x = 926,727,262,923.31

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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.