Home / 749,404,389.63-1,034,286,286.02-431,803,830.67

Finding the Fourth Proportional to 749,404,389.63, 1,034,286,286.02 and 431,803,830.67

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Solution

The fourth proportional to 749,404,389.63, 1,034,286,286.02 and 431,803,830.67 is: 595,951,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,404,389.63 : 1,034,286,286.02 = 431,803,830.67 : x
  2. Step 2: Convert to fraction form
    749,404,389.63/1,034,286,286.02 = 431,803,830.67/x
  3. Step 3: Cross multiply
    749,404,389.63x = 1,034,286,286.02 × 431,803,830.67
  4. Step 4: Simplify right side
    749,404,389.63x = 446,608,780,312,883,264
  5. Step 5: Solve for x
    x = 446,608,780,312,883,264/749,404,389.63
  6. Step 6: Final answer
    x = 595,951,647.06

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1.5x scale

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.