Home / 1,520,513,365.76-2,098,308,359.04-825,152,341.76

Finding the Fourth Proportional to 1,520,513,365.76, 2,098,308,359.04 and 825,152,341.76

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Solution

The fourth proportional to 1,520,513,365.76, 2,098,308,359.04 and 825,152,341.76 is: 1,138,710,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,513,365.76 : 2,098,308,359.04 = 825,152,341.76 : x
  2. Step 2: Convert to fraction form
    1,520,513,365.76/2,098,308,359.04 = 825,152,341.76/x
  3. Step 3: Cross multiply
    1,520,513,365.76x = 2,098,308,359.04 × 825,152,341.76
  4. Step 4: Simplify right side
    1,520,513,365.76x = 1,731,424,056,196,438,784
  5. Step 5: Solve for x
    x = 1,731,424,056,196,438,784/1,520,513,365.76
  6. Step 6: Final answer
    x = 1,138,710,185.12

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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.