Home / 896,990,646.90-1,345,485,970.35-655,125,942.90

Finding the Fourth Proportional to 896,990,646.90, 1,345,485,970.35 and 655,125,942.90

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Solution

The fourth proportional to 896,990,646.90, 1,345,485,970.35 and 655,125,942.90 is: 982,688,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,990,646.90 : 1,345,485,970.35 = 655,125,942.90 : x
  2. Step 2: Convert to fraction form
    896,990,646.90/1,345,485,970.35 = 655,125,942.90/x
  3. Step 3: Cross multiply
    896,990,646.90x = 1,345,485,970.35 × 655,125,942.90
  4. Step 4: Simplify right side
    896,990,646.90x = 881,462,764,984,265,088
  5. Step 5: Solve for x
    x = 881,462,764,984,265,088/896,990,646.90
  6. Step 6: Final answer
    x = 982,688,914.35

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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.