Home / 553,680,890.40-830,521,335.60-267,026,426.40

Finding the Fourth Proportional to 553,680,890.40, 830,521,335.60 and 267,026,426.40

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Solution

The fourth proportional to 553,680,890.40, 830,521,335.60 and 267,026,426.40 is: 400,539,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,680,890.40 : 830,521,335.60 = 267,026,426.40 : x
  2. Step 2: Convert to fraction form
    553,680,890.40/830,521,335.60 = 267,026,426.40/x
  3. Step 3: Cross multiply
    553,680,890.40x = 830,521,335.60 × 267,026,426.40
  4. Step 4: Simplify right side
    553,680,890.40x = 221,771,144,294,223,104
  5. Step 5: Solve for x
    x = 221,771,144,294,223,104/553,680,890.40
  6. Step 6: Final answer
    x = 400,539,639.60

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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.