Home / 520,830,526.23-718,746,837.94-282,675,714.32

Finding the Fourth Proportional to 520,830,526.23, 718,746,837.94 and 282,675,714.32

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Solution

The fourth proportional to 520,830,526.23, 718,746,837.94 and 282,675,714.32 is: 390,092,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,830,526.23 : 718,746,837.94 = 282,675,714.32 : x
  2. Step 2: Convert to fraction form
    520,830,526.23/718,746,837.94 = 282,675,714.32/x
  3. Step 3: Cross multiply
    520,830,526.23x = 718,746,837.94 × 282,675,714.32
  4. Step 4: Simplify right side
    520,830,526.23x = 203,172,275,829,930,784
  5. Step 5: Solve for x
    x = 203,172,275,829,930,784/520,830,526.23
  6. Step 6: Final answer
    x = 390,092,872.05

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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.