Home / 698,688,121.40-1,048,032,182.10-537,444,985.40

Finding the Fourth Proportional to 698,688,121.40, 1,048,032,182.10 and 537,444,985.40

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Solution

The fourth proportional to 698,688,121.40, 1,048,032,182.10 and 537,444,985.40 is: 806,167,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,121.40 : 1,048,032,182.10 = 537,444,985.40 : x
  2. Step 2: Convert to fraction form
    698,688,121.40/1,048,032,182.10 = 537,444,985.40/x
  3. Step 3: Cross multiply
    698,688,121.40x = 1,048,032,182.10 × 537,444,985.40
  4. Step 4: Simplify right side
    698,688,121.40x = 563,259,640,807,464,640
  5. Step 5: Solve for x
    x = 563,259,640,807,464,640/698,688,121.40
  6. Step 6: Final answer
    x = 806,167,478.10

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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.