Home / 870,427,275.23-1,306,176,201.59-345,704,575.20

Finding the Fourth Proportional to 870,427,275.23, 1,306,176,201.59 and 345,704,575.20

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Solution

The fourth proportional to 870,427,275.23, 1,306,176,201.59 and 345,704,575.20 is: 518,769,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,427,275.23 : 1,306,176,201.59 = 345,704,575.20 : x
  2. Step 2: Convert to fraction form
    870,427,275.23/1,306,176,201.59 = 345,704,575.20/x
  3. Step 3: Cross multiply
    870,427,275.23x = 1,306,176,201.59 × 345,704,575.20
  4. Step 4: Simplify right side
    870,427,275.23x = 451,551,088,907,020,480
  5. Step 5: Solve for x
    x = 451,551,088,907,020,480/870,427,275.23
  6. Step 6: Final answer
    x = 518,769,461.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.