Home / 698,215,780.46-964,457,526.12-517,529,054.18

Finding the Fourth Proportional to 698,215,780.46, 964,457,526.12 and 517,529,054.18

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Solution

The fourth proportional to 698,215,780.46, 964,457,526.12 and 517,529,054.18 is: 714,871,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,215,780.46 : 964,457,526.12 = 517,529,054.18 : x
  2. Step 2: Convert to fraction form
    698,215,780.46/964,457,526.12 = 517,529,054.18/x
  3. Step 3: Cross multiply
    698,215,780.46x = 964,457,526.12 × 517,529,054.18
  4. Step 4: Simplify right side
    698,215,780.46x = 499,134,791,289,666,240
  5. Step 5: Solve for x
    x = 499,134,791,289,666,240/698,215,780.46
  6. Step 6: Final answer
    x = 714,871,827.96

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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.