Home / 932,045,409,543.40-1,286,036,121,005.80-520,450,558,313.20

Finding the Fourth Proportional to 932,045,409,543.40, 1,286,036,121,005.80 and 520,450,558,313.20

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Solution

The fourth proportional to 932,045,409,543.40, 1,286,036,121,005.80 and 520,450,558,313.20 is: 718,117,604,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,045,409,543.40 : 1,286,036,121,005.80 = 520,450,558,313.20 : x
  2. Step 2: Convert to fraction form
    932,045,409,543.40/1,286,036,121,005.80 = 520,450,558,313.20/x
  3. Step 3: Cross multiply
    932,045,409,543.40x = 1,286,036,121,005.80 × 520,450,558,313.20
  4. Step 4: Simplify right side
    932,045,409,543.40x = 669,318,217,188,410,642,137,088
  5. Step 5: Solve for x
    x = 669,318,217,188,410,642,137,088/932,045,409,543.40
  6. Step 6: Final answer
    x = 718,117,604,931.18

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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.