Home / 669,357,386.40-1,004,036,079.60-465,284,042.40

Finding the Fourth Proportional to 669,357,386.40, 1,004,036,079.60 and 465,284,042.40

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Solution

The fourth proportional to 669,357,386.40, 1,004,036,079.60 and 465,284,042.40 is: 697,926,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,357,386.40 : 1,004,036,079.60 = 465,284,042.40 : x
  2. Step 2: Convert to fraction form
    669,357,386.40/1,004,036,079.60 = 465,284,042.40/x
  3. Step 3: Cross multiply
    669,357,386.40x = 1,004,036,079.60 × 465,284,042.40
  4. Step 4: Simplify right side
    669,357,386.40x = 467,161,965,831,736,192
  5. Step 5: Solve for x
    x = 467,161,965,831,736,192/669,357,386.40
  6. Step 6: Final answer
    x = 697,926,063.60

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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.