Home / 1,186,727,503.68-1,637,681,323.68-658,078,424.64

Finding the Fourth Proportional to 1,186,727,503.68, 1,637,681,323.68 and 658,078,424.64

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Solution

The fourth proportional to 1,186,727,503.68, 1,637,681,323.68 and 658,078,424.64 is: 908,146,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,727,503.68 : 1,637,681,323.68 = 658,078,424.64 : x
  2. Step 2: Convert to fraction form
    1,186,727,503.68/1,637,681,323.68 = 658,078,424.64/x
  3. Step 3: Cross multiply
    1,186,727,503.68x = 1,637,681,323.68 × 658,078,424.64
  4. Step 4: Simplify right side
    1,186,727,503.68x = 1,077,722,745,549,684,352
  5. Step 5: Solve for x
    x = 1,077,722,745,549,684,352/1,186,727,503.68
  6. Step 6: Final answer
    x = 908,146,766.81

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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.