Home / 563,482,003.40-845,223,005.10-391,295,119.40

Finding the Fourth Proportional to 563,482,003.40, 845,223,005.10 and 391,295,119.40

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Solution

The fourth proportional to 563,482,003.40, 845,223,005.10 and 391,295,119.40 is: 586,942,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,482,003.40 : 845,223,005.10 = 391,295,119.40 : x
  2. Step 2: Convert to fraction form
    563,482,003.40/845,223,005.10 = 391,295,119.40/x
  3. Step 3: Cross multiply
    563,482,003.40x = 845,223,005.10 × 391,295,119.40
  4. Step 4: Simplify right side
    563,482,003.40x = 330,731,636,700,231,296
  5. Step 5: Solve for x
    x = 330,731,636,700,231,296/563,482,003.40
  6. Step 6: Final answer
    x = 586,942,679.10

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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.