Home / 1,323,651,933.60-1,985,477,900.40-879,792,410.40

Finding the Fourth Proportional to 1,323,651,933.60, 1,985,477,900.40 and 879,792,410.40

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Solution

The fourth proportional to 1,323,651,933.60, 1,985,477,900.40 and 879,792,410.40 is: 1,319,688,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,651,933.60 : 1,985,477,900.40 = 879,792,410.40 : x
  2. Step 2: Convert to fraction form
    1,323,651,933.60/1,985,477,900.40 = 879,792,410.40/x
  3. Step 3: Cross multiply
    1,323,651,933.60x = 1,985,477,900.40 × 879,792,410.40
  4. Step 4: Simplify right side
    1,323,651,933.60x = 1,746,808,387,788,847,104
  5. Step 5: Solve for x
    x = 1,746,808,387,788,847,104/1,323,651,933.60
  6. Step 6: Final answer
    x = 1,319,688,615.60

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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.