Home / 580,119,152.40-870,178,728.60-448,605,219.60

Finding the Fourth Proportional to 580,119,152.40, 870,178,728.60 and 448,605,219.60

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Solution

The fourth proportional to 580,119,152.40, 870,178,728.60 and 448,605,219.60 is: 672,907,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,119,152.40 : 870,178,728.60 = 448,605,219.60 : x
  2. Step 2: Convert to fraction form
    580,119,152.40/870,178,728.60 = 448,605,219.60/x
  3. Step 3: Cross multiply
    580,119,152.40x = 870,178,728.60 × 448,605,219.60
  4. Step 4: Simplify right side
    580,119,152.40x = 390,366,719,634,851,840
  5. Step 5: Solve for x
    x = 390,366,719,634,851,840/580,119,152.40
  6. Step 6: Final answer
    x = 672,907,829.40

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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.