Home / 631,045,146.49-950,875,059.99-518,549,715.61

Finding the Fourth Proportional to 631,045,146.49, 950,875,059.99 and 518,549,715.61

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Solution

The fourth proportional to 631,045,146.49, 950,875,059.99 and 518,549,715.61 is: 781,364,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,045,146.49 : 950,875,059.99 = 518,549,715.61 : x
  2. Step 2: Convert to fraction form
    631,045,146.49/950,875,059.99 = 518,549,715.61/x
  3. Step 3: Cross multiply
    631,045,146.49x = 950,875,059.99 × 518,549,715.61
  4. Step 4: Simplify right side
    631,045,146.49x = 493,075,991,935,119,680
  5. Step 5: Solve for x
    x = 493,075,991,935,119,680/631,045,146.49
  6. Step 6: Final answer
    x = 781,364,050.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.