Home / 86,599,065,688.40-129,898,598,532.60-42,519,223,384.40

Finding the Fourth Proportional to 86,599,065,688.40, 129,898,598,532.60 and 42,519,223,384.40

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Solution

The fourth proportional to 86,599,065,688.40, 129,898,598,532.60 and 42,519,223,384.40 is: 63,778,835,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,599,065,688.40 : 129,898,598,532.60 = 42,519,223,384.40 : x
  2. Step 2: Convert to fraction form
    86,599,065,688.40/129,898,598,532.60 = 42,519,223,384.40/x
  3. Step 3: Cross multiply
    86,599,065,688.40x = 129,898,598,532.60 × 42,519,223,384.40
  4. Step 4: Simplify right side
    86,599,065,688.40x = 5,523,187,528,328,114,339,840
  5. Step 5: Solve for x
    x = 5,523,187,528,328,114,339,840/86,599,065,688.40
  6. Step 6: Final answer
    x = 63,778,835,076.60

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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.