Home / 673,607,998.80-1,010,411,998.20-636,194,552.40

Finding the Fourth Proportional to 673,607,998.80, 1,010,411,998.20 and 636,194,552.40

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Solution

The fourth proportional to 673,607,998.80, 1,010,411,998.20 and 636,194,552.40 is: 954,291,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,607,998.80 : 1,010,411,998.20 = 636,194,552.40 : x
  2. Step 2: Convert to fraction form
    673,607,998.80/1,010,411,998.20 = 636,194,552.40/x
  3. Step 3: Cross multiply
    673,607,998.80x = 1,010,411,998.20 × 636,194,552.40
  4. Step 4: Simplify right side
    673,607,998.80x = 642,818,608,934,438,656
  5. Step 5: Solve for x
    x = 642,818,608,934,438,656/673,607,998.80
  6. Step 6: Final answer
    x = 954,291,828.60

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Double scale
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Similar ratio
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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.