Home / 13,280,088,508.63-18,326,477,649.13-7,258,590,424.77

Finding the Fourth Proportional to 13,280,088,508.63, 18,326,477,649.13 and 7,258,590,424.77

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Solution

The fourth proportional to 13,280,088,508.63, 18,326,477,649.13 and 7,258,590,424.77 is: 10,016,830,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,088,508.63 : 18,326,477,649.13 = 7,258,590,424.77 : x
  2. Step 2: Convert to fraction form
    13,280,088,508.63/18,326,477,649.13 = 7,258,590,424.77/x
  3. Step 3: Cross multiply
    13,280,088,508.63x = 18,326,477,649.13 × 7,258,590,424.77
  4. Step 4: Simplify right side
    13,280,088,508.63x = 133,024,395,183,688,564,736
  5. Step 5: Solve for x
    x = 133,024,395,183,688,564,736/13,280,088,508.63
  6. Step 6: Final answer
    x = 10,016,830,467.45

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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.