Home / 646,784,734,875.95-892,503,035,448.33-357,746,773,358.27

Finding the Fourth Proportional to 646,784,734,875.95, 892,503,035,448.33 and 357,746,773,358.27

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Solution

The fourth proportional to 646,784,734,875.95, 892,503,035,448.33 and 357,746,773,358.27 is: 493,657,416,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,784,734,875.95 : 892,503,035,448.33 = 357,746,773,358.27 : x
  2. Step 2: Convert to fraction form
    646,784,734,875.95/892,503,035,448.33 = 357,746,773,358.27/x
  3. Step 3: Cross multiply
    646,784,734,875.95x = 892,503,035,448.33 × 357,746,773,358.27
  4. Step 4: Simplify right side
    646,784,734,875.95x = 319,290,081,144,101,731,827,712
  5. Step 5: Solve for x
    x = 319,290,081,144,101,731,827,712/646,784,734,875.95
  6. Step 6: Final answer
    x = 493,657,416,335.50

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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.