Home / 749,404,386.63-1,034,286,281.88-431,803,827.67

Finding the Fourth Proportional to 749,404,386.63, 1,034,286,281.88 and 431,803,827.67

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Solution

The fourth proportional to 749,404,386.63, 1,034,286,281.88 and 431,803,827.67 is: 595,951,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,404,386.63 : 1,034,286,281.88 = 431,803,827.67 : x
  2. Step 2: Convert to fraction form
    749,404,386.63/1,034,286,281.88 = 431,803,827.67/x
  3. Step 3: Cross multiply
    749,404,386.63x = 1,034,286,281.88 × 431,803,827.67
  4. Step 4: Simplify right side
    749,404,386.63x = 446,608,775,422,356,608
  5. Step 5: Solve for x
    x = 446,608,775,422,356,608/749,404,386.63
  6. Step 6: Final answer
    x = 595,951,642.92

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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.