Home / 30,124,574,158.95-41,570,663,981.92-16,391,424,119.74

Finding the Fourth Proportional to 30,124,574,158.95, 41,570,663,981.92 and 16,391,424,119.74

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Solution

The fourth proportional to 30,124,574,158.95, 41,570,663,981.92 and 16,391,424,119.74 is: 22,619,486,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124,574,158.95 : 41,570,663,981.92 = 16,391,424,119.74 : x
  2. Step 2: Convert to fraction form
    30,124,574,158.95/41,570,663,981.92 = 16,391,424,119.74/x
  3. Step 3: Cross multiply
    30,124,574,158.95x = 41,570,663,981.92 × 16,391,424,119.74
  4. Step 4: Simplify right side
    30,124,574,158.95x = 681,402,384,266,718,085,120
  5. Step 5: Solve for x
    x = 681,402,384,266,718,085,120/30,124,574,158.95
  6. Step 6: Final answer
    x = 22,619,486,027.30

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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.