Home / 1,123,416,433.40-1,684,452,803.70-579,220,849.40

Finding the Fourth Proportional to 1,123,416,433.40, 1,684,452,803.70 and 579,220,849.40

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Solution

The fourth proportional to 1,123,416,433.40, 1,684,452,803.70 and 579,220,849.40 is: 868,484,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,416,433.40 : 1,684,452,803.70 = 579,220,849.40 : x
  2. Step 2: Convert to fraction form
    1,123,416,433.40/1,684,452,803.70 = 579,220,849.40/x
  3. Step 3: Cross multiply
    1,123,416,433.40x = 1,684,452,803.70 × 579,220,849.40
  4. Step 4: Simplify right side
    1,123,416,433.40x = 975,670,183,733,325,440
  5. Step 5: Solve for x
    x = 975,670,183,733,325,440/1,123,416,433.40
  6. Step 6: Final answer
    x = 868,484,877.67

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Double scale
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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.