Home / 519,717,687.93-779,674,853.95-208,849,503.51

Finding the Fourth Proportional to 519,717,687.93, 779,674,853.95 and 208,849,503.51

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Solution

The fourth proportional to 519,717,687.93, 779,674,853.95 and 208,849,503.51 is: 313,313,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,717,687.93 : 779,674,853.95 = 208,849,503.51 : x
  2. Step 2: Convert to fraction form
    519,717,687.93/779,674,853.95 = 208,849,503.51/x
  3. Step 3: Cross multiply
    519,717,687.93x = 779,674,853.95 × 208,849,503.51
  4. Step 4: Simplify right side
    519,717,687.93x = 162,834,706,146,167,136
  5. Step 5: Solve for x
    x = 162,834,706,146,167,136/519,717,687.93
  6. Step 6: Final answer
    x = 313,313,766.16

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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.