Home / 860,023,435.95-1,283,756,655.67-737,985,981.78

Finding the Fourth Proportional to 860,023,435.95, 1,283,756,655.67 and 737,985,981.78

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Solution

The fourth proportional to 860,023,435.95, 1,283,756,655.67 and 737,985,981.78 is: 1,101,591,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,023,435.95 : 1,283,756,655.67 = 737,985,981.78 : x
  2. Step 2: Convert to fraction form
    860,023,435.95/1,283,756,655.67 = 737,985,981.78/x
  3. Step 3: Cross multiply
    860,023,435.95x = 1,283,756,655.67 × 737,985,981.78
  4. Step 4: Simplify right side
    860,023,435.95x = 947,394,415,899,389,312
  5. Step 5: Solve for x
    x = 947,394,415,899,389,312/860,023,435.95
  6. Step 6: Final answer
    x = 1,101,591,394.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.