Home / 1,305,104,765.30-1,801,092,096.21-710,360,503.46

Finding the Fourth Proportional to 1,305,104,765.30, 1,801,092,096.21 and 710,360,503.46

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Solution

The fourth proportional to 1,305,104,765.30, 1,801,092,096.21 and 710,360,503.46 is: 980,323,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,104,765.30 : 1,801,092,096.21 = 710,360,503.46 : x
  2. Step 2: Convert to fraction form
    1,305,104,765.30/1,801,092,096.21 = 710,360,503.46/x
  3. Step 3: Cross multiply
    1,305,104,765.30x = 1,801,092,096.21 × 710,360,503.46
  4. Step 4: Simplify right side
    1,305,104,765.30x = 1,279,424,688,241,562,368
  5. Step 5: Solve for x
    x = 1,279,424,688,241,562,368/1,305,104,765.30
  6. Step 6: Final answer
    x = 980,323,359.67

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1.5x scale

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.