Home / 579,446,461,007.59-869,169,486,938.37-154,963,693,600.72

Finding the Fourth Proportional to 579,446,461,007.59, 869,169,486,938.37 and 154,963,693,600.72

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Solution

The fourth proportional to 579,446,461,007.59, 869,169,486,938.37 and 154,963,693,600.72 is: 232,445,485,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,446,461,007.59 : 869,169,486,938.37 = 154,963,693,600.72 : x
  2. Step 2: Convert to fraction form
    579,446,461,007.59/869,169,486,938.37 = 154,963,693,600.72/x
  3. Step 3: Cross multiply
    579,446,461,007.59x = 869,169,486,938.37 × 154,963,693,600.72
  4. Step 4: Simplify right side
    579,446,461,007.59x = 134,689,714,061,012,568,637,440
  5. Step 5: Solve for x
    x = 134,689,714,061,012,568,637,440/579,446,461,007.59
  6. Step 6: Final answer
    x = 232,445,485,691.30

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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.