Home / 7,847,450,688.16-10,829,402,874.48-4,279,148,578.72

Finding the Fourth Proportional to 7,847,450,688.16, 10,829,402,874.48 and 4,279,148,578.72

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Solution

The fourth proportional to 7,847,450,688.16, 10,829,402,874.48 and 4,279,148,578.72 is: 5,905,181,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847,450,688.16 : 10,829,402,874.48 = 4,279,148,578.72 : x
  2. Step 2: Convert to fraction form
    7,847,450,688.16/10,829,402,874.48 = 4,279,148,578.72/x
  3. Step 3: Cross multiply
    7,847,450,688.16x = 10,829,402,874.48 × 4,279,148,578.72
  4. Step 4: Simplify right side
    7,847,450,688.16x = 46,340,623,918,717,370,368
  5. Step 5: Solve for x
    x = 46,340,623,918,717,370,368/7,847,450,688.16
  6. Step 6: Final answer
    x = 5,905,181,919.61

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Double scale
Find fourth proportional to 7,847,450,689.16, 10,829,402,875.86 and 4,279,148,579.72
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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.