Home / 727,147,200.39-1,003,487,899.13-430,044,125.19

Finding the Fourth Proportional to 727,147,200.39, 1,003,487,899.13 and 430,044,125.19

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Solution

The fourth proportional to 727,147,200.39, 1,003,487,899.13 and 430,044,125.19 is: 593,475,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,147,200.39 : 1,003,487,899.13 = 430,044,125.19 : x
  2. Step 2: Convert to fraction form
    727,147,200.39/1,003,487,899.13 = 430,044,125.19/x
  3. Step 3: Cross multiply
    727,147,200.39x = 1,003,487,899.13 × 430,044,125.19
  4. Step 4: Simplify right side
    727,147,200.39x = 431,544,075,720,111,808
  5. Step 5: Solve for x
    x = 431,544,075,720,111,808/727,147,200.39
  6. Step 6: Final answer
    x = 593,475,537.67

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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.