Home / 765,610,324.52-1,056,402,881.70-431,030,817.32

Finding the Fourth Proportional to 765,610,324.52, 1,056,402,881.70 and 431,030,817.32

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Solution

The fourth proportional to 765,610,324.52, 1,056,402,881.70 and 431,030,817.32 is: 594,744,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,610,324.52 : 1,056,402,881.70 = 431,030,817.32 : x
  2. Step 2: Convert to fraction form
    765,610,324.52/1,056,402,881.70 = 431,030,817.32/x
  3. Step 3: Cross multiply
    765,610,324.52x = 1,056,402,881.70 × 431,030,817.32
  4. Step 4: Simplify right side
    765,610,324.52x = 455,342,197,518,354,304
  5. Step 5: Solve for x
    x = 455,342,197,518,354,304/765,610,324.52
  6. Step 6: Final answer
    x = 594,744,066.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.