Home / 305,867,095,378.28-458,722,386,208.95-90,685,320,690.00

Finding the Fourth Proportional to 305,867,095,378.28, 458,722,386,208.95 and 90,685,320,690.00

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Solution

The fourth proportional to 305,867,095,378.28, 458,722,386,208.95 and 90,685,320,690.00 is: 136,004,778,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,867,095,378.28 : 458,722,386,208.95 = 90,685,320,690.00 : x
  2. Step 2: Convert to fraction form
    305,867,095,378.28/458,722,386,208.95 = 90,685,320,690.00/x
  3. Step 3: Cross multiply
    305,867,095,378.28x = 458,722,386,208.95 × 90,685,320,690.00
  4. Step 4: Simplify right side
    305,867,095,378.28x = 41,599,386,701,038,371,209,216
  5. Step 5: Solve for x
    x = 41,599,386,701,038,371,209,216/305,867,095,378.28
  6. Step 6: Final answer
    x = 136,004,778,969.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.