Home / 1,178,064,420.60-1,767,096,630.90-401,640,929.40

Finding the Fourth Proportional to 1,178,064,420.60, 1,767,096,630.90 and 401,640,929.40

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Solution

The fourth proportional to 1,178,064,420.60, 1,767,096,630.90 and 401,640,929.40 is: 602,461,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064,420.60 : 1,767,096,630.90 = 401,640,929.40 : x
  2. Step 2: Convert to fraction form
    1,178,064,420.60/1,767,096,630.90 = 401,640,929.40/x
  3. Step 3: Cross multiply
    1,178,064,420.60x = 1,767,096,630.90 × 401,640,929.40
  4. Step 4: Simplify right side
    1,178,064,420.60x = 709,738,333,174,284,800
  5. Step 5: Solve for x
    x = 709,738,333,174,284,800/1,178,064,420.60
  6. Step 6: Final answer
    x = 602,461,394.10

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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.