Home / 307,530,007,729.95-424,391,263,058.21-183,931,144,904.28

Finding the Fourth Proportional to 307,530,007,729.95, 424,391,263,058.21 and 183,931,144,904.28

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Solution

The fourth proportional to 307,530,007,729.95, 424,391,263,058.21 and 183,931,144,904.28 is: 253,824,891,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,530,007,729.95 : 424,391,263,058.21 = 183,931,144,904.28 : x
  2. Step 2: Convert to fraction form
    307,530,007,729.95/424,391,263,058.21 = 183,931,144,904.28/x
  3. Step 3: Cross multiply
    307,530,007,729.95x = 424,391,263,058.21 × 183,931,144,904.28
  4. Step 4: Simplify right side
    307,530,007,729.95x = 78,058,770,901,670,041,747,456
  5. Step 5: Solve for x
    x = 78,058,770,901,670,041,747,456/307,530,007,729.95
  6. Step 6: Final answer
    x = 253,824,891,684.12

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Double scale
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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.