Home / 461,838,898.80-637,096,048.92-285,570,547.92

Finding the Fourth Proportional to 461,838,898.80, 637,096,048.92 and 285,570,547.92

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Solution

The fourth proportional to 461,838,898.80, 637,096,048.92 and 285,570,547.92 is: 393,937,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,838,898.80 : 637,096,048.92 = 285,570,547.92 : x
  2. Step 2: Convert to fraction form
    461,838,898.80/637,096,048.92 = 285,570,547.92/x
  3. Step 3: Cross multiply
    461,838,898.80x = 637,096,048.92 × 285,570,547.92
  4. Step 4: Simplify right side
    461,838,898.80x = 181,935,867,767,751,520
  5. Step 5: Solve for x
    x = 181,935,867,767,751,520/461,838,898.80
  6. Step 6: Final answer
    x = 393,937,947.28

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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.