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Finding the Fourth Proportional to 1,402,070,570.01, 1,934,736,855.80 and 775,383,008.13

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Solution

The fourth proportional to 1,402,070,570.01, 1,934,736,855.80 and 775,383,008.13 is: 1,069,961,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,070,570.01 : 1,934,736,855.80 = 775,383,008.13 : x
  2. Step 2: Convert to fraction form
    1,402,070,570.01/1,934,736,855.80 = 775,383,008.13/x
  3. Step 3: Cross multiply
    1,402,070,570.01x = 1,934,736,855.80 × 775,383,008.13
  4. Step 4: Simplify right side
    1,402,070,570.01x = 1,500,162,083,186,305,280
  5. Step 5: Solve for x
    x = 1,500,162,083,186,305,280/1,402,070,570.01
  6. Step 6: Final answer
    x = 1,069,961,894.41

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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.