Home / 517,809,026.57-776,708,225.33-299,320,345.45

Finding the Fourth Proportional to 517,809,026.57, 776,708,225.33 and 299,320,345.45

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Solution

The fourth proportional to 517,809,026.57, 776,708,225.33 and 299,320,345.45 is: 448,977,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,809,026.57 : 776,708,225.33 = 299,320,345.45 : x
  2. Step 2: Convert to fraction form
    517,809,026.57/776,708,225.33 = 299,320,345.45/x
  3. Step 3: Cross multiply
    517,809,026.57x = 776,708,225.33 × 299,320,345.45
  4. Step 4: Simplify right side
    517,809,026.57x = 232,484,574,319,632,032
  5. Step 5: Solve for x
    x = 232,484,574,319,632,032/517,809,026.57
  6. Step 6: Final answer
    x = 448,977,446.11

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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.