Home / 492,034,187.16-679,021,350.04-272,031,784.92

Finding the Fourth Proportional to 492,034,187.16, 679,021,350.04 and 272,031,784.92

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Solution

The fourth proportional to 492,034,187.16, 679,021,350.04 and 272,031,784.92 is: 375,411,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,187.16 : 679,021,350.04 = 272,031,784.92 : x
  2. Step 2: Convert to fraction form
    492,034,187.16/679,021,350.04 = 272,031,784.92/x
  3. Step 3: Cross multiply
    492,034,187.16x = 679,021,350.04 × 272,031,784.92
  4. Step 4: Simplify right side
    492,034,187.16x = 184,715,389,850,169,312
  5. Step 5: Solve for x
    x = 184,715,389,850,169,312/492,034,187.16
  6. Step 6: Final answer
    x = 375,411,698.35

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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.