Home / 909,427,289.05-1,255,026,003.95-533,355,117.76

Finding the Fourth Proportional to 909,427,289.05, 1,255,026,003.95 and 533,355,117.76

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Solution

The fourth proportional to 909,427,289.05, 1,255,026,003.95 and 533,355,117.76 is: 736,039,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,427,289.05 : 1,255,026,003.95 = 533,355,117.76 : x
  2. Step 2: Convert to fraction form
    909,427,289.05/1,255,026,003.95 = 533,355,117.76/x
  3. Step 3: Cross multiply
    909,427,289.05x = 1,255,026,003.95 × 533,355,117.76
  4. Step 4: Simplify right side
    909,427,289.05x = 669,374,542,125,015,680
  5. Step 5: Solve for x
    x = 669,374,542,125,015,680/909,427,289.05
  6. Step 6: Final answer
    x = 736,039,648.46

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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.