Home / 71,157,931,355.64-98,199,752,039.71-39,043,284,998.77

Finding the Fourth Proportional to 71,157,931,355.64, 98,199,752,039.71 and 39,043,284,998.77

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Solution

The fourth proportional to 71,157,931,355.64, 98,199,752,039.71 and 39,043,284,998.77 is: 53,880,724,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157,931,355.64 : 98,199,752,039.71 = 39,043,284,998.77 : x
  2. Step 2: Convert to fraction form
    71,157,931,355.64/98,199,752,039.71 = 39,043,284,998.77/x
  3. Step 3: Cross multiply
    71,157,931,355.64x = 98,199,752,039.71 × 39,043,284,998.77
  4. Step 4: Simplify right side
    71,157,931,355.64x = 3,834,040,905,695,140,249,600
  5. Step 5: Solve for x
    x = 3,834,040,905,695,140,249,600/71,157,931,355.64
  6. Step 6: Final answer
    x = 53,880,724,645.20

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1.5x scale

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.