Home / 1,178,064,427.80-1,767,096,641.70-402,585,720.60

Finding the Fourth Proportional to 1,178,064,427.80, 1,767,096,641.70 and 402,585,720.60

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Solution

The fourth proportional to 1,178,064,427.80, 1,767,096,641.70 and 402,585,720.60 is: 603,878,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064,427.80 : 1,767,096,641.70 = 402,585,720.60 : x
  2. Step 2: Convert to fraction form
    1,178,064,427.80/1,767,096,641.70 = 402,585,720.60/x
  3. Step 3: Cross multiply
    1,178,064,427.80x = 1,767,096,641.70 × 402,585,720.60
  4. Step 4: Simplify right side
    1,178,064,427.80x = 711,407,874,868,634,624
  5. Step 5: Solve for x
    x = 711,407,874,868,634,624/1,178,064,427.80
  6. Step 6: Final answer
    x = 603,878,580.90

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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.