Home / 1,285,024,903.28-1,772,681,695.88-839,249,203.11

Finding the Fourth Proportional to 1,285,024,903.28, 1,772,681,695.88 and 839,249,203.11

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Solution

The fourth proportional to 1,285,024,903.28, 1,772,681,695.88 and 839,249,203.11 is: 1,157,737,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,024,903.28 : 1,772,681,695.88 = 839,249,203.11 : x
  2. Step 2: Convert to fraction form
    1,285,024,903.28/1,772,681,695.88 = 839,249,203.11/x
  3. Step 3: Cross multiply
    1,285,024,903.28x = 1,772,681,695.88 × 839,249,203.11
  4. Step 4: Simplify right side
    1,285,024,903.28x = 1,487,721,700,630,777,088
  5. Step 5: Solve for x
    x = 1,487,721,700,630,777,088/1,285,024,903.28
  6. Step 6: Final answer
    x = 1,157,737,641.38

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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.