Home / 1,178,064,071.80-1,767,096,107.70-402,585,364.60

Finding the Fourth Proportional to 1,178,064,071.80, 1,767,096,107.70 and 402,585,364.60

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Solution

The fourth proportional to 1,178,064,071.80, 1,767,096,107.70 and 402,585,364.60 is: 603,878,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064,071.80 : 1,767,096,107.70 = 402,585,364.60 : x
  2. Step 2: Convert to fraction form
    1,178,064,071.80/1,767,096,107.70 = 402,585,364.60/x
  3. Step 3: Cross multiply
    1,178,064,071.80x = 1,767,096,107.70 × 402,585,364.60
  4. Step 4: Simplify right side
    1,178,064,071.80x = 711,407,030,801,645,440
  5. Step 5: Solve for x
    x = 711,407,030,801,645,440/1,178,064,071.80
  6. Step 6: Final answer
    x = 603,878,046.90

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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.