Home / 1,389,840,545.48-2,084,759,145.16-354,701,537.15

Finding the Fourth Proportional to 1,389,840,545.48, 2,084,759,145.16 and 354,701,537.15

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Solution

The fourth proportional to 1,389,840,545.48, 2,084,759,145.16 and 354,701,537.15 is: 532,051,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,840,545.48 : 2,084,759,145.16 = 354,701,537.15 : x
  2. Step 2: Convert to fraction form
    1,389,840,545.48/2,084,759,145.16 = 354,701,537.15/x
  3. Step 3: Cross multiply
    1,389,840,545.48x = 2,084,759,145.16 × 354,701,537.15
  4. Step 4: Simplify right side
    1,389,840,545.48x = 739,467,273,364,461,440
  5. Step 5: Solve for x
    x = 739,467,273,364,461,440/1,389,840,545.48
  6. Step 6: Final answer
    x = 532,051,878.74

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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.