Home / 785,496,817.29-1,178,532,528.36-365,518,488.48

Finding the Fourth Proportional to 785,496,817.29, 1,178,532,528.36 and 365,518,488.48

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Solution

The fourth proportional to 785,496,817.29, 1,178,532,528.36 and 365,518,488.48 is: 548,411,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,496,817.29 : 1,178,532,528.36 = 365,518,488.48 : x
  2. Step 2: Convert to fraction form
    785,496,817.29/1,178,532,528.36 = 365,518,488.48/x
  3. Step 3: Cross multiply
    785,496,817.29x = 1,178,532,528.36 × 365,518,488.48
  4. Step 4: Simplify right side
    785,496,817.29x = 430,775,428,390,659,904
  5. Step 5: Solve for x
    x = 430,775,428,390,659,904/785,496,817.29
  6. Step 6: Final answer
    x = 548,411,424.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.