Home / 1,435,438,468.32-2,153,157,705.36-344,921,537.76

Finding the Fourth Proportional to 1,435,438,468.32, 2,153,157,705.36 and 344,921,537.76

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Solution

The fourth proportional to 1,435,438,468.32, 2,153,157,705.36 and 344,921,537.76 is: 517,382,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,438,468.32 : 2,153,157,705.36 = 344,921,537.76 : x
  2. Step 2: Convert to fraction form
    1,435,438,468.32/2,153,157,705.36 = 344,921,537.76/x
  3. Step 3: Cross multiply
    1,435,438,468.32x = 2,153,157,705.36 × 344,921,537.76
  4. Step 4: Simplify right side
    1,435,438,468.32x = 742,670,466,772,564,224
  5. Step 5: Solve for x
    x = 742,670,466,772,564,224/1,435,438,468.32
  6. Step 6: Final answer
    x = 517,382,307.33

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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.