Home / 373,999,149.64-516,108,926.10-208,988,075.08

Finding the Fourth Proportional to 373,999,149.64, 516,108,926.10 and 208,988,075.08

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Solution

The fourth proportional to 373,999,149.64, 516,108,926.10 and 208,988,075.08 is: 288,398,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,999,149.64 : 516,108,926.10 = 208,988,075.08 : x
  2. Step 2: Convert to fraction form
    373,999,149.64/516,108,926.10 = 208,988,075.08/x
  3. Step 3: Cross multiply
    373,999,149.64x = 516,108,926.10 × 208,988,075.08
  4. Step 4: Simplify right side
    373,999,149.64x = 107,860,610,997,244,976
  5. Step 5: Solve for x
    x = 107,860,610,997,244,976/373,999,149.64
  6. Step 6: Final answer
    x = 288,398,011.34

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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.