Home / 12,445,488,565.80-18,668,232,848.70-10,295,580,085.80

Finding the Fourth Proportional to 12,445,488,565.80, 18,668,232,848.70 and 10,295,580,085.80

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Solution

The fourth proportional to 12,445,488,565.80, 18,668,232,848.70 and 10,295,580,085.80 is: 15,443,370,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,488,565.80 : 18,668,232,848.70 = 10,295,580,085.80 : x
  2. Step 2: Convert to fraction form
    12,445,488,565.80/18,668,232,848.70 = 10,295,580,085.80/x
  3. Step 3: Cross multiply
    12,445,488,565.80x = 18,668,232,848.70 × 10,295,580,085.80
  4. Step 4: Simplify right side
    12,445,488,565.80x = 192,200,286,354,153,111,552
  5. Step 5: Solve for x
    x = 192,200,286,354,153,111,552/12,445,488,565.80
  6. Step 6: Final answer
    x = 15,443,370,128.70

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Double scale
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1.5x scale

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.