Home / 492,034,258-679,021,447.80-272,031,855.76

Finding the Fourth Proportional to 492,034,258, 679,021,447.80 and 272,031,855.76

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Solution

The fourth proportional to 492,034,258, 679,021,447.80 and 272,031,855.76 is: 375,411,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,258 : 679,021,447.80 = 272,031,855.76 : x
  2. Step 2: Convert to fraction form
    492,034,258/679,021,447.80 = 272,031,855.76/x
  3. Step 3: Cross multiply
    492,034,258x = 679,021,447.80 × 272,031,855.76
  4. Step 4: Simplify right side
    492,034,258x = 184,715,464,545,875,936
  5. Step 5: Solve for x
    x = 184,715,464,545,875,936/492,034,258
  6. Step 6: Final answer
    x = 375,411,796.11

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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.