Home / 492,247,607.16-679,226,238.54-283,363,387.32

Finding the Fourth Proportional to 492,247,607.16, 679,226,238.54 and 283,363,387.32

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Solution

The fourth proportional to 492,247,607.16, 679,226,238.54 and 283,363,387.32 is: 390,998,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,247,607.16 : 679,226,238.54 = 283,363,387.32 : x
  2. Step 2: Convert to fraction form
    492,247,607.16/679,226,238.54 = 283,363,387.32/x
  3. Step 3: Cross multiply
    492,247,607.16x = 679,226,238.54 × 283,363,387.32
  4. Step 4: Simplify right side
    492,247,607.16x = 192,467,847,709,316,704
  5. Step 5: Solve for x
    x = 192,467,847,709,316,704/492,247,607.16
  6. Step 6: Final answer
    x = 390,998,036.17

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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.