Home / 739,642,068.93-1,020,214,574.55-475,657,806.36

Finding the Fourth Proportional to 739,642,068.93, 1,020,214,574.55 and 475,657,806.36

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Solution

The fourth proportional to 739,642,068.93, 1,020,214,574.55 and 475,657,806.36 is: 656,091,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,642,068.93 : 1,020,214,574.55 = 475,657,806.36 : x
  2. Step 2: Convert to fraction form
    739,642,068.93/1,020,214,574.55 = 475,657,806.36/x
  3. Step 3: Cross multiply
    739,642,068.93x = 1,020,214,574.55 × 475,657,806.36
  4. Step 4: Simplify right side
    739,642,068.93x = 485,273,026,546,953,664
  5. Step 5: Solve for x
    x = 485,273,026,546,953,664/739,642,068.93
  6. Step 6: Final answer
    x = 656,091,705.61

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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.