Home / 545,247,688.10-817,871,532.15-459,154,246.10

Finding the Fourth Proportional to 545,247,688.10, 817,871,532.15 and 459,154,246.10

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Solution

The fourth proportional to 545,247,688.10, 817,871,532.15 and 459,154,246.10 is: 688,731,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,247,688.10 : 817,871,532.15 = 459,154,246.10 : x
  2. Step 2: Convert to fraction form
    545,247,688.10/817,871,532.15 = 459,154,246.10/x
  3. Step 3: Cross multiply
    545,247,688.10x = 817,871,532.15 × 459,154,246.10
  4. Step 4: Simplify right side
    545,247,688.10x = 375,529,186,750,985,152
  5. Step 5: Solve for x
    x = 375,529,186,750,985,152/545,247,688.10
  6. Step 6: Final answer
    x = 688,731,369.15

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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.