Home / 681,258,210.04-940,136,741.72-367,992,562.40

Finding the Fourth Proportional to 681,258,210.04, 940,136,741.72 and 367,992,562.40

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Solution

The fourth proportional to 681,258,210.04, 940,136,741.72 and 367,992,562.40 is: 507,829,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,258,210.04 : 940,136,741.72 = 367,992,562.40 : x
  2. Step 2: Convert to fraction form
    681,258,210.04/940,136,741.72 = 367,992,562.40/x
  3. Step 3: Cross multiply
    681,258,210.04x = 940,136,741.72 × 367,992,562.40
  4. Step 4: Simplify right side
    681,258,210.04x = 345,963,328,594,549,888
  5. Step 5: Solve for x
    x = 345,963,328,594,549,888/681,258,210.04
  6. Step 6: Final answer
    x = 507,829,958.59

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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.