Home / 1,323,047,123.92-1,984,419,256.08-353,774,322.64

Finding the Fourth Proportional to 1,323,047,123.92, 1,984,419,256.08 and 353,774,322.64

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Solution

The fourth proportional to 1,323,047,123.92, 1,984,419,256.08 and 353,774,322.64 is: 530,620,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,047,123.92 : 1,984,419,256.08 = 353,774,322.64 : x
  2. Step 2: Convert to fraction form
    1,323,047,123.92/1,984,419,256.08 = 353,774,322.64/x
  3. Step 3: Cross multiply
    1,323,047,123.92x = 1,984,419,256.08 × 353,774,322.64
  4. Step 4: Simplify right side
    1,323,047,123.92x = 702,036,578,153,474,688
  5. Step 5: Solve for x
    x = 702,036,578,153,474,688/1,323,047,123.92
  6. Step 6: Final answer
    x = 530,620,992.60

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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.