Home / 808,575,038.40-1,212,862,557.60-722,410,737.60

Finding the Fourth Proportional to 808,575,038.40, 1,212,862,557.60 and 722,410,737.60

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Solution

The fourth proportional to 808,575,038.40, 1,212,862,557.60 and 722,410,737.60 is: 1,083,616,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,575,038.40 : 1,212,862,557.60 = 722,410,737.60 : x
  2. Step 2: Convert to fraction form
    808,575,038.40/1,212,862,557.60 = 722,410,737.60/x
  3. Step 3: Cross multiply
    808,575,038.40x = 1,212,862,557.60 × 722,410,737.60
  4. Step 4: Simplify right side
    808,575,038.40x = 876,184,934,843,238,400
  5. Step 5: Solve for x
    x = 876,184,934,843,238,400/808,575,038.40
  6. Step 6: Final answer
    x = 1,083,616,106.40

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1.5x scale

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.