Home / 514,445,711.36-709,943,136-279,501,025.28

Finding the Fourth Proportional to 514,445,711.36, 709,943,136 and 279,501,025.28

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Solution

The fourth proportional to 514,445,711.36, 709,943,136 and 279,501,025.28 is: 385,715,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,445,711.36 : 709,943,136 = 279,501,025.28 : x
  2. Step 2: Convert to fraction form
    514,445,711.36/709,943,136 = 279,501,025.28/x
  3. Step 3: Cross multiply
    514,445,711.36x = 709,943,136 × 279,501,025.28
  4. Step 4: Simplify right side
    514,445,711.36x = 198,429,834,402,498,464
  5. Step 5: Solve for x
    x = 198,429,834,402,498,464/514,445,711.36
  6. Step 6: Final answer
    x = 385,715,790.84

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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.