Home / 909,427,289.55-1,255,026,004.64-533,355,118.26

Finding the Fourth Proportional to 909,427,289.55, 1,255,026,004.64 and 533,355,118.26

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Solution

The fourth proportional to 909,427,289.55, 1,255,026,004.64 and 533,355,118.26 is: 736,039,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,427,289.55 : 1,255,026,004.64 = 533,355,118.26 : x
  2. Step 2: Convert to fraction form
    909,427,289.55/1,255,026,004.64 = 533,355,118.26/x
  3. Step 3: Cross multiply
    909,427,289.55x = 1,255,026,004.64 × 533,355,118.26
  4. Step 4: Simplify right side
    909,427,289.55x = 669,374,543,121,475,712
  5. Step 5: Solve for x
    x = 669,374,543,121,475,712/909,427,289.55
  6. Step 6: Final answer
    x = 736,039,649.15

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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.