Home / 518,460,730,538.90-715,460,275,648.08-286,983,737,953.16

Finding the Fourth Proportional to 518,460,730,538.90, 715,460,275,648.08 and 286,983,737,953.16

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Solution

The fourth proportional to 518,460,730,538.90, 715,460,275,648.08 and 286,983,737,953.16 is: 396,028,960,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,460,730,538.90 : 715,460,275,648.08 = 286,983,737,953.16 : x
  2. Step 2: Convert to fraction form
    518,460,730,538.90/715,460,275,648.08 = 286,983,737,953.16/x
  3. Step 3: Cross multiply
    518,460,730,538.90x = 715,460,275,648.08 × 286,983,737,953.16
  4. Step 4: Simplify right side
    518,460,730,538.90x = 205,325,464,262,484,177,190,912
  5. Step 5: Solve for x
    x = 205,325,464,262,484,177,190,912/518,460,730,538.90
  6. Step 6: Final answer
    x = 396,028,960,667.98

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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.