Home / 890,500,842.59-1,335,761,547.63-268,721,461.53

Finding the Fourth Proportional to 890,500,842.59, 1,335,761,547.63 and 268,721,461.53

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Solution

The fourth proportional to 890,500,842.59, 1,335,761,547.63 and 268,721,461.53 is: 403,085,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,500,842.59 : 1,335,761,547.63 = 268,721,461.53 : x
  2. Step 2: Convert to fraction form
    890,500,842.59/1,335,761,547.63 = 268,721,461.53/x
  3. Step 3: Cross multiply
    890,500,842.59x = 1,335,761,547.63 × 268,721,461.53
  4. Step 4: Simplify right side
    890,500,842.59x = 358,947,795,334,708,288
  5. Step 5: Solve for x
    x = 358,947,795,334,708,288/890,500,842.59
  6. Step 6: Final answer
    x = 403,085,295.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.