Home / 40,308,960,488.80-55,627,701,501.73-21,999,020,716.41

Finding the Fourth Proportional to 40,308,960,488.80, 55,627,701,501.73 and 21,999,020,716.41

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Solution

The fourth proportional to 40,308,960,488.80, 55,627,701,501.73 and 21,999,020,716.41 is: 30,359,377,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,308,960,488.80 : 55,627,701,501.73 = 21,999,020,716.41 : x
  2. Step 2: Convert to fraction form
    40,308,960,488.80/55,627,701,501.73 = 21,999,020,716.41/x
  3. Step 3: Cross multiply
    40,308,960,488.80x = 55,627,701,501.73 × 21,999,020,716.41
  4. Step 4: Simplify right side
    40,308,960,488.80x = 1,223,754,957,742,829,993,984
  5. Step 5: Solve for x
    x = 1,223,754,957,742,829,993,984/40,308,960,488.80
  6. Step 6: Final answer
    x = 30,359,377,738.93

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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.