Home / 662,122,612.88-992,839,058.12-312,274,746.48

Finding the Fourth Proportional to 662,122,612.88, 992,839,058.12 and 312,274,746.48

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Solution

The fourth proportional to 662,122,612.88, 992,839,058.12 and 312,274,746.48 is: 468,249,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,122,612.88 : 992,839,058.12 = 312,274,746.48 : x
  2. Step 2: Convert to fraction form
    662,122,612.88/992,839,058.12 = 312,274,746.48/x
  3. Step 3: Cross multiply
    662,122,612.88x = 992,839,058.12 × 312,274,746.48
  4. Step 4: Simplify right side
    662,122,612.88x = 310,038,565,169,865,024
  5. Step 5: Solve for x
    x = 310,038,565,169,865,024/662,122,612.88
  6. Step 6: Final answer
    x = 468,249,473.95

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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.