Home / 164,818,866,432.80-247,228,299,649.20-40,742,273,280.80

Finding the Fourth Proportional to 164,818,866,432.80, 247,228,299,649.20 and 40,742,273,280.80

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Solution

The fourth proportional to 164,818,866,432.80, 247,228,299,649.20 and 40,742,273,280.80 is: 61,113,409,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,818,866,432.80 : 247,228,299,649.20 = 40,742,273,280.80 : x
  2. Step 2: Convert to fraction form
    164,818,866,432.80/247,228,299,649.20 = 40,742,273,280.80/x
  3. Step 3: Cross multiply
    164,818,866,432.80x = 247,228,299,649.20 × 40,742,273,280.80
  4. Step 4: Simplify right side
    164,818,866,432.80x = 10,072,642,947,055,217,541,120
  5. Step 5: Solve for x
    x = 10,072,642,947,055,217,541,120/164,818,866,432.80
  6. Step 6: Final answer
    x = 61,113,409,921.20

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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.