Home / 790,565,777.34-1,090,980,751.08-438,194,708.01

Finding the Fourth Proportional to 790,565,777.34, 1,090,980,751.08 and 438,194,708.01

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Solution

The fourth proportional to 790,565,777.34, 1,090,980,751.08 and 438,194,708.01 is: 604,708,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,565,777.34 : 1,090,980,751.08 = 438,194,708.01 : x
  2. Step 2: Convert to fraction form
    790,565,777.34/1,090,980,751.08 = 438,194,708.01/x
  3. Step 3: Cross multiply
    790,565,777.34x = 1,090,980,751.08 × 438,194,708.01
  4. Step 4: Simplify right side
    790,565,777.34x = 478,061,991,664,031,040
  5. Step 5: Solve for x
    x = 478,061,991,664,031,040/790,565,777.34
  6. Step 6: Final answer
    x = 604,708,685.05

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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.