Home / 956,762,213.40-1,435,143,320.10-520,272,005.40

Finding the Fourth Proportional to 956,762,213.40, 1,435,143,320.10 and 520,272,005.40

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Solution

The fourth proportional to 956,762,213.40, 1,435,143,320.10 and 520,272,005.40 is: 780,408,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,762,213.40 : 1,435,143,320.10 = 520,272,005.40 : x
  2. Step 2: Convert to fraction form
    956,762,213.40/1,435,143,320.10 = 520,272,005.40/x
  3. Step 3: Cross multiply
    956,762,213.40x = 1,435,143,320.10 × 520,272,005.40
  4. Step 4: Simplify right side
    956,762,213.40x = 746,664,893,184,841,088
  5. Step 5: Solve for x
    x = 746,664,893,184,841,088/956,762,213.40
  6. Step 6: Final answer
    x = 780,408,008.10

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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.