Home / 668,889,298.35-1,003,333,947.53-424,001,285.55

Finding the Fourth Proportional to 668,889,298.35, 1,003,333,947.53 and 424,001,285.55

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Solution

The fourth proportional to 668,889,298.35, 1,003,333,947.53 and 424,001,285.55 is: 636,001,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,889,298.35 : 1,003,333,947.53 = 424,001,285.55 : x
  2. Step 2: Convert to fraction form
    668,889,298.35/1,003,333,947.53 = 424,001,285.55/x
  3. Step 3: Cross multiply
    668,889,298.35x = 1,003,333,947.53 × 424,001,285.55
  4. Step 4: Simplify right side
    668,889,298.35x = 425,414,883,586,556,224
  5. Step 5: Solve for x
    x = 425,414,883,586,556,224/668,889,298.35
  6. Step 6: Final answer
    x = 636,001,928.33

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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.