Home / 545,768,624.61-753,160,703.76-310,841,145.36

Finding the Fourth Proportional to 545,768,624.61, 753,160,703.76 and 310,841,145.36

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Solution

The fourth proportional to 545,768,624.61, 753,160,703.76 and 310,841,145.36 is: 428,960,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,768,624.61 : 753,160,703.76 = 310,841,145.36 : x
  2. Step 2: Convert to fraction form
    545,768,624.61/753,160,703.76 = 310,841,145.36/x
  3. Step 3: Cross multiply
    545,768,624.61x = 753,160,703.76 × 310,841,145.36
  4. Step 4: Simplify right side
    545,768,624.61x = 234,113,335,796,902,080
  5. Step 5: Solve for x
    x = 234,113,335,796,902,080/545,768,624.61
  6. Step 6: Final answer
    x = 428,960,781.62

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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.