Home / 14,486,688,009.60-21,730,032,014.40-13,915,282,646.40

Finding the Fourth Proportional to 14,486,688,009.60, 21,730,032,014.40 and 13,915,282,646.40

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Solution

The fourth proportional to 14,486,688,009.60, 21,730,032,014.40 and 13,915,282,646.40 is: 20,872,923,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,688,009.60 : 21,730,032,014.40 = 13,915,282,646.40 : x
  2. Step 2: Convert to fraction form
    14,486,688,009.60/21,730,032,014.40 = 13,915,282,646.40/x
  3. Step 3: Cross multiply
    14,486,688,009.60x = 21,730,032,014.40 × 13,915,282,646.40
  4. Step 4: Simplify right side
    14,486,688,009.60x = 302,379,537,395,696,795,648
  5. Step 5: Solve for x
    x = 302,379,537,395,696,795,648/14,486,688,009.60
  6. Step 6: Final answer
    x = 20,872,923,969.60

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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.