Home / 719,535,224.14-992,940,315.95-401,997,855.21

Finding the Fourth Proportional to 719,535,224.14, 992,940,315.95 and 401,997,855.21

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Solution

The fourth proportional to 719,535,224.14, 992,940,315.95 and 401,997,855.21 is: 554,746,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,535,224.14 : 992,940,315.95 = 401,997,855.21 : x
  2. Step 2: Convert to fraction form
    719,535,224.14/992,940,315.95 = 401,997,855.21/x
  3. Step 3: Cross multiply
    719,535,224.14x = 992,940,315.95 × 401,997,855.21
  4. Step 4: Simplify right side
    719,535,224.14x = 399,159,877,356,465,088
  5. Step 5: Solve for x
    x = 399,159,877,356,465,088/719,535,224.14
  6. Step 6: Final answer
    x = 554,746,819.84

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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.