Home / 885,346,352.40-1,221,336,675.17-527,862,008.74

Finding the Fourth Proportional to 885,346,352.40, 1,221,336,675.17 and 527,862,008.74

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Solution

The fourth proportional to 885,346,352.40, 1,221,336,675.17 and 527,862,008.74 is: 728,186,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,346,352.40 : 1,221,336,675.17 = 527,862,008.74 : x
  2. Step 2: Convert to fraction form
    885,346,352.40/1,221,336,675.17 = 527,862,008.74/x
  3. Step 3: Cross multiply
    885,346,352.40x = 1,221,336,675.17 × 527,862,008.74
  4. Step 4: Simplify right side
    885,346,352.40x = 644,697,230,703,069,184
  5. Step 5: Solve for x
    x = 644,697,230,703,069,184/885,346,352.40
  6. Step 6: Final answer
    x = 728,186,465.05

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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.