Home / 438,122,159,535.53-604,608,121,610.40-245,435,688,810.35

Finding the Fourth Proportional to 438,122,159,535.53, 604,608,121,610.40 and 245,435,688,810.35

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Solution

The fourth proportional to 438,122,159,535.53, 604,608,121,610.40 and 245,435,688,810.35 is: 338,700,993,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122,159,535.53 : 604,608,121,610.40 = 245,435,688,810.35 : x
  2. Step 2: Convert to fraction form
    438,122,159,535.53/604,608,121,610.40 = 245,435,688,810.35/x
  3. Step 3: Cross multiply
    438,122,159,535.53x = 604,608,121,610.40 × 245,435,688,810.35
  4. Step 4: Simplify right side
    438,122,159,535.53x = 148,392,410,787,780,392,648,704
  5. Step 5: Solve for x
    x = 148,392,410,787,780,392,648,704/438,122,159,535.53
  6. Step 6: Final answer
    x = 338,700,993,679.70

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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.