Home / 908,988,413.40-1,254,404,547.56-507,102,163.56

Finding the Fourth Proportional to 908,988,413.40, 1,254,404,547.56 and 507,102,163.56

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Solution

The fourth proportional to 908,988,413.40, 1,254,404,547.56 and 507,102,163.56 is: 699,801,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,988,413.40 : 1,254,404,547.56 = 507,102,163.56 : x
  2. Step 2: Convert to fraction form
    908,988,413.40/1,254,404,547.56 = 507,102,163.56/x
  3. Step 3: Cross multiply
    908,988,413.40x = 1,254,404,547.56 × 507,102,163.56
  4. Step 4: Simplify right side
    908,988,413.40x = 636,111,260,047,178,880
  5. Step 5: Solve for x
    x = 636,111,260,047,178,880/908,988,413.40
  6. Step 6: Final answer
    x = 699,801,285.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.