Home / 698,688,128.40-1,048,032,192.60-537,444,992.40

Finding the Fourth Proportional to 698,688,128.40, 1,048,032,192.60 and 537,444,992.40

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Solution

The fourth proportional to 698,688,128.40, 1,048,032,192.60 and 537,444,992.40 is: 806,167,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,128.40 : 1,048,032,192.60 = 537,444,992.40 : x
  2. Step 2: Convert to fraction form
    698,688,128.40/1,048,032,192.60 = 537,444,992.40/x
  3. Step 3: Cross multiply
    698,688,128.40x = 1,048,032,192.60 × 537,444,992.40
  4. Step 4: Simplify right side
    698,688,128.40x = 563,259,653,786,862,336
  5. Step 5: Solve for x
    x = 563,259,653,786,862,336/698,688,128.40
  6. Step 6: Final answer
    x = 806,167,488.60

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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.