Home / 765,656,899.08-1,056,610,825.20-435,632,038.08

Finding the Fourth Proportional to 765,656,899.08, 1,056,610,825.20 and 435,632,038.08

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Solution

The fourth proportional to 765,656,899.08, 1,056,610,825.20 and 435,632,038.08 is: 601,174,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,656,899.08 : 1,056,610,825.20 = 435,632,038.08 : x
  2. Step 2: Convert to fraction form
    765,656,899.08/1,056,610,825.20 = 435,632,038.08/x
  3. Step 3: Cross multiply
    765,656,899.08x = 1,056,610,825.20 × 435,632,038.08
  4. Step 4: Simplify right side
    765,656,899.08x = 460,293,527,239,266,624
  5. Step 5: Solve for x
    x = 460,293,527,239,266,624/765,656,899.08
  6. Step 6: Final answer
    x = 601,174,661.64

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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.