Home / 1,359,018,108.29-2,038,529,527.10-426,412,526.81

Finding the Fourth Proportional to 1,359,018,108.29, 2,038,529,527.10 and 426,412,526.81

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Solution

The fourth proportional to 1,359,018,108.29, 2,038,529,527.10 and 426,412,526.81 is: 639,619,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,018,108.29 : 2,038,529,527.10 = 426,412,526.81 : x
  2. Step 2: Convert to fraction form
    1,359,018,108.29/2,038,529,527.10 = 426,412,526.81/x
  3. Step 3: Cross multiply
    1,359,018,108.29x = 2,038,529,527.10 × 426,412,526.81
  4. Step 4: Simplify right side
    1,359,018,108.29x = 869,254,526,622,549,760
  5. Step 5: Solve for x
    x = 869,254,526,622,549,760/1,359,018,108.29
  6. Step 6: Final answer
    x = 639,619,532.16

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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.