Home / 519,717,688.93-779,674,855.45-208,849,504.51

Finding the Fourth Proportional to 519,717,688.93, 779,674,855.45 and 208,849,504.51

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Solution

The fourth proportional to 519,717,688.93, 779,674,855.45 and 208,849,504.51 is: 313,313,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,717,688.93 : 779,674,855.45 = 208,849,504.51 : x
  2. Step 2: Convert to fraction form
    519,717,688.93/779,674,855.45 = 208,849,504.51/x
  3. Step 3: Cross multiply
    519,717,688.93x = 779,674,855.45 × 208,849,504.51
  4. Step 4: Simplify right side
    519,717,688.93x = 162,834,707,239,638,368
  5. Step 5: Solve for x
    x = 162,834,707,239,638,368/519,717,688.93
  6. Step 6: Final answer
    x = 313,313,767.66

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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.