Home / 808,976,320.56-1,116,069,681.60-469,827,062.76

Finding the Fourth Proportional to 808,976,320.56, 1,116,069,681.60 and 469,827,062.76

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Solution

The fourth proportional to 808,976,320.56, 1,116,069,681.60 and 469,827,062.76 is: 648,176,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,976,320.56 : 1,116,069,681.60 = 469,827,062.76 : x
  2. Step 2: Convert to fraction form
    808,976,320.56/1,116,069,681.60 = 469,827,062.76/x
  3. Step 3: Cross multiply
    808,976,320.56x = 1,116,069,681.60 × 469,827,062.76
  4. Step 4: Simplify right side
    808,976,320.56x = 524,359,740,341,616,384
  5. Step 5: Solve for x
    x = 524,359,740,341,616,384/808,976,320.56
  6. Step 6: Final answer
    x = 648,176,871.21

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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.