Home / 698,625,868.40-1,048,032,114.60-238,448,409.20

Finding the Fourth Proportional to 698,625,868.40, 1,048,032,114.60 and 238,448,409.20

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Solution

The fourth proportional to 698,625,868.40, 1,048,032,114.60 and 238,448,409.20 is: 357,704,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,625,868.40 : 1,048,032,114.60 = 238,448,409.20 : x
  2. Step 2: Convert to fraction form
    698,625,868.40/1,048,032,114.60 = 238,448,409.20/x
  3. Step 3: Cross multiply
    698,625,868.40x = 1,048,032,114.60 × 238,448,409.20
  4. Step 4: Simplify right side
    698,625,868.40x = 249,901,590,516,882,080
  5. Step 5: Solve for x
    x = 249,901,590,516,882,080/698,625,868.40
  6. Step 6: Final answer
    x = 357,704,462.17

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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.