Home / 708,921,557.60-1,064,477,197.20-386,435,285.60

Finding the Fourth Proportional to 708,921,557.60, 1,064,477,197.20 and 386,435,285.60

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Solution

The fourth proportional to 708,921,557.60, 1,064,477,197.20 and 386,435,285.60 is: 580,249,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,921,557.60 : 1,064,477,197.20 = 386,435,285.60 : x
  2. Step 2: Convert to fraction form
    708,921,557.60/1,064,477,197.20 = 386,435,285.60/x
  3. Step 3: Cross multiply
    708,921,557.60x = 1,064,477,197.20 × 386,435,285.60
  4. Step 4: Simplify right side
    708,921,557.60x = 411,351,549,714,669,568
  5. Step 5: Solve for x
    x = 411,351,549,714,669,568/708,921,557.60
  6. Step 6: Final answer
    x = 580,249,740.33

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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.