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Finding the Fourth Proportional to 898,964,616.92, 1,348,554,977.76 and 316,578,501.68

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Solution

The fourth proportional to 898,964,616.92, 1,348,554,977.76 and 316,578,501.68 is: 474,905,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,964,616.92 : 1,348,554,977.76 = 316,578,501.68 : x
  2. Step 2: Convert to fraction form
    898,964,616.92/1,348,554,977.76 = 316,578,501.68/x
  3. Step 3: Cross multiply
    898,964,616.92x = 1,348,554,977.76 × 316,578,501.68
  4. Step 4: Simplify right side
    898,964,616.92x = 426,923,514,292,366,528
  5. Step 5: Solve for x
    x = 426,923,514,292,366,528/898,964,616.92
  6. Step 6: Final answer
    x = 474,905,804.14

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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.