Home / 480,059,929.80-720,089,894.70-472,407,179.40

Finding the Fourth Proportional to 480,059,929.80, 720,089,894.70 and 472,407,179.40

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Solution

The fourth proportional to 480,059,929.80, 720,089,894.70 and 472,407,179.40 is: 708,610,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,059,929.80 : 720,089,894.70 = 472,407,179.40 : x
  2. Step 2: Convert to fraction form
    480,059,929.80/720,089,894.70 = 472,407,179.40/x
  3. Step 3: Cross multiply
    480,059,929.80x = 720,089,894.70 × 472,407,179.40
  4. Step 4: Simplify right side
    480,059,929.80x = 340,175,636,069,670,016
  5. Step 5: Solve for x
    x = 340,175,636,069,670,016/480,059,929.80
  6. Step 6: Final answer
    x = 708,610,769.10

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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.