Home / 674,735,072.90-1,012,102,609.35-402,413,332.10

Finding the Fourth Proportional to 674,735,072.90, 1,012,102,609.35 and 402,413,332.10

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Solution

The fourth proportional to 674,735,072.90, 1,012,102,609.35 and 402,413,332.10 is: 603,619,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,735,072.90 : 1,012,102,609.35 = 402,413,332.10 : x
  2. Step 2: Convert to fraction form
    674,735,072.90/1,012,102,609.35 = 402,413,332.10/x
  3. Step 3: Cross multiply
    674,735,072.90x = 1,012,102,609.35 × 402,413,332.10
  4. Step 4: Simplify right side
    674,735,072.90x = 407,283,583,455,638,144
  5. Step 5: Solve for x
    x = 407,283,583,455,638,144/674,735,072.90
  6. Step 6: Final answer
    x = 603,619,998.15

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Double scale
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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.