Home / 554,426,957,521.95-765,113,693,721-307,233,365,226.90

Finding the Fourth Proportional to 554,426,957,521.95, 765,113,693,721 and 307,233,365,226.90

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Solution

The fourth proportional to 554,426,957,521.95, 765,113,693,721 and 307,233,365,226.90 is: 423,984,533,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,426,957,521.95 : 765,113,693,721 = 307,233,365,226.90 : x
  2. Step 2: Convert to fraction form
    554,426,957,521.95/765,113,693,721 = 307,233,365,226.90/x
  3. Step 3: Cross multiply
    554,426,957,521.95x = 765,113,693,721 × 307,233,365,226.90
  4. Step 4: Simplify right side
    554,426,957,521.95x = 235,068,454,903,086,508,408,832
  5. Step 5: Solve for x
    x = 235,068,454,903,086,508,408,832/554,426,957,521.95
  6. Step 6: Final answer
    x = 423,984,533,424.82

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1.5x scale

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.