Home / 909,428,256.15-1,364,142,384.23-817,595,251.35

Finding the Fourth Proportional to 909,428,256.15, 1,364,142,384.23 and 817,595,251.35

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Solution

The fourth proportional to 909,428,256.15, 1,364,142,384.23 and 817,595,251.35 is: 1,226,392,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,428,256.15 : 1,364,142,384.23 = 817,595,251.35 : x
  2. Step 2: Convert to fraction form
    909,428,256.15/1,364,142,384.23 = 817,595,251.35/x
  3. Step 3: Cross multiply
    909,428,256.15x = 1,364,142,384.23 × 817,595,251.35
  4. Step 4: Simplify right side
    909,428,256.15x = 1,115,316,335,507,627,136
  5. Step 5: Solve for x
    x = 1,115,316,335,507,627,136/909,428,256.15
  6. Step 6: Final answer
    x = 1,226,392,877.03

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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.