Home / 1,456,221,666.80-2,184,332,500.20-966,445,641.20

Finding the Fourth Proportional to 1,456,221,666.80, 2,184,332,500.20 and 966,445,641.20

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Solution

The fourth proportional to 1,456,221,666.80, 2,184,332,500.20 and 966,445,641.20 is: 1,449,668,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,221,666.80 : 2,184,332,500.20 = 966,445,641.20 : x
  2. Step 2: Convert to fraction form
    1,456,221,666.80/2,184,332,500.20 = 966,445,641.20/x
  3. Step 3: Cross multiply
    1,456,221,666.80x = 2,184,332,500.20 × 966,445,641.20
  4. Step 4: Simplify right side
    1,456,221,666.80x = 2,111,038,623,749,788,160
  5. Step 5: Solve for x
    x = 2,111,038,623,749,788,160/1,456,221,666.80
  6. Step 6: Final answer
    x = 1,449,668,461.80

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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.