Home / 14,486,688,012.70-21,730,032,019.05-7,140,047,628.70

Finding the Fourth Proportional to 14,486,688,012.70, 21,730,032,019.05 and 7,140,047,628.70

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Solution

The fourth proportional to 14,486,688,012.70, 21,730,032,019.05 and 7,140,047,628.70 is: 10,710,071,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,688,012.70 : 21,730,032,019.05 = 7,140,047,628.70 : x
  2. Step 2: Convert to fraction form
    14,486,688,012.70/21,730,032,019.05 = 7,140,047,628.70/x
  3. Step 3: Cross multiply
    14,486,688,012.70x = 21,730,032,019.05 × 7,140,047,628.70
  4. Step 4: Simplify right side
    14,486,688,012.70x = 155,153,463,589,193,023,488
  5. Step 5: Solve for x
    x = 155,153,463,589,193,023,488/14,486,688,012.70
  6. Step 6: Final answer
    x = 10,710,071,443.05

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Double scale
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Similar ratio
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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.