Home / 1,186,446,475.20-1,779,669,712.80-368,809,406.40

Finding the Fourth Proportional to 1,186,446,475.20, 1,779,669,712.80 and 368,809,406.40

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Solution

The fourth proportional to 1,186,446,475.20, 1,779,669,712.80 and 368,809,406.40 is: 553,214,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,446,475.20 : 1,779,669,712.80 = 368,809,406.40 : x
  2. Step 2: Convert to fraction form
    1,186,446,475.20/1,779,669,712.80 = 368,809,406.40/x
  3. Step 3: Cross multiply
    1,186,446,475.20x = 1,779,669,712.80 × 368,809,406.40
  4. Step 4: Simplify right side
    1,186,446,475.20x = 656,358,930,365,826,432
  5. Step 5: Solve for x
    x = 656,358,930,365,826,432/1,186,446,475.20
  6. Step 6: Final answer
    x = 553,214,109.60

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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.