Home / 1,345,221,930.17-1,856,407,419.47-750,506,506.76

Finding the Fourth Proportional to 1,345,221,930.17, 1,856,407,419.47 and 750,506,506.76

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Solution

The fourth proportional to 1,345,221,930.17, 1,856,407,419.47 and 750,506,506.76 is: 1,035,699,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,221,930.17 : 1,856,407,419.47 = 750,506,506.76 : x
  2. Step 2: Convert to fraction form
    1,345,221,930.17/1,856,407,419.47 = 750,506,506.76/x
  3. Step 3: Cross multiply
    1,345,221,930.17x = 1,856,407,419.47 × 750,506,506.76
  4. Step 4: Simplify right side
    1,345,221,930.17x = 1,393,245,847,506,023,168
  5. Step 5: Solve for x
    x = 1,393,245,847,506,023,168/1,345,221,930.17
  6. Step 6: Final answer
    x = 1,035,699,624.17

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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.