Home / 518,460,730,540.90-715,460,275,650.84-286,983,737,955.16

Finding the Fourth Proportional to 518,460,730,540.90, 715,460,275,650.84 and 286,983,737,955.16

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Solution

The fourth proportional to 518,460,730,540.90, 715,460,275,650.84 and 286,983,737,955.16 is: 396,028,960,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,460,730,540.90 : 715,460,275,650.84 = 286,983,737,955.16 : x
  2. Step 2: Convert to fraction form
    518,460,730,540.90/715,460,275,650.84 = 286,983,737,955.16/x
  3. Step 3: Cross multiply
    518,460,730,540.90x = 715,460,275,650.84 × 286,983,737,955.16
  4. Step 4: Simplify right side
    518,460,730,540.90x = 205,325,464,264,707,191,865,344
  5. Step 5: Solve for x
    x = 205,325,464,264,707,191,865,344/518,460,730,540.90
  6. Step 6: Final answer
    x = 396,028,960,670.74

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Double scale
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1.5x scale

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.