Home / 1,160,961,695.72-1,602,127,159.62-639,440,927.72

Finding the Fourth Proportional to 1,160,961,695.72, 1,602,127,159.62 and 639,440,927.72

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Solution

The fourth proportional to 1,160,961,695.72, 1,602,127,159.62 and 639,440,927.72 is: 882,428,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,961,695.72 : 1,602,127,159.62 = 639,440,927.72 : x
  2. Step 2: Convert to fraction form
    1,160,961,695.72/1,602,127,159.62 = 639,440,927.72/x
  3. Step 3: Cross multiply
    1,160,961,695.72x = 1,602,127,159.62 × 639,440,927.72
  4. Step 4: Simplify right side
    1,160,961,695.72x = 1,024,465,677,272,821,248
  5. Step 5: Solve for x
    x = 1,024,465,677,272,821,248/1,160,961,695.72
  6. Step 6: Final answer
    x = 882,428,491.01

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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.