Home / 974,971,956.22-1,345,463,907.42-528,935,319.47

Finding the Fourth Proportional to 974,971,956.22, 1,345,463,907.42 and 528,935,319.47

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Solution

The fourth proportional to 974,971,956.22, 1,345,463,907.42 and 528,935,319.47 is: 729,932,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,971,956.22 : 1,345,463,907.42 = 528,935,319.47 : x
  2. Step 2: Convert to fraction form
    974,971,956.22/1,345,463,907.42 = 528,935,319.47/x
  3. Step 3: Cross multiply
    974,971,956.22x = 1,345,463,907.42 × 528,935,319.47
  4. Step 4: Simplify right side
    974,971,956.22x = 711,663,381,711,873,024
  5. Step 5: Solve for x
    x = 711,663,381,711,873,024/974,971,956.22
  6. Step 6: Final answer
    x = 729,932,155.66

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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.