Home / 749,404,386.38-1,034,286,281.54-431,803,827.42

Finding the Fourth Proportional to 749,404,386.38, 1,034,286,281.54 and 431,803,827.42

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Solution

The fourth proportional to 749,404,386.38, 1,034,286,281.54 and 431,803,827.42 is: 595,951,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,404,386.38 : 1,034,286,281.54 = 431,803,827.42 : x
  2. Step 2: Convert to fraction form
    749,404,386.38/1,034,286,281.54 = 431,803,827.42/x
  3. Step 3: Cross multiply
    749,404,386.38x = 1,034,286,281.54 × 431,803,827.42
  4. Step 4: Simplify right side
    749,404,386.38x = 446,608,775,014,812,672
  5. Step 5: Solve for x
    x = 446,608,775,014,812,672/749,404,386.38
  6. Step 6: Final answer
    x = 595,951,642.58

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Double scale
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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.