Home / 766,308,821.40-1,149,463,232.10-524,444,117.40

Finding the Fourth Proportional to 766,308,821.40, 1,149,463,232.10 and 524,444,117.40

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Solution

The fourth proportional to 766,308,821.40, 1,149,463,232.10 and 524,444,117.40 is: 786,666,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,308,821.40 : 1,149,463,232.10 = 524,444,117.40 : x
  2. Step 2: Convert to fraction form
    766,308,821.40/1,149,463,232.10 = 524,444,117.40/x
  3. Step 3: Cross multiply
    766,308,821.40x = 1,149,463,232.10 × 524,444,117.40
  4. Step 4: Simplify right side
    766,308,821.40x = 602,829,230,242,435,712
  5. Step 5: Solve for x
    x = 602,829,230,242,435,712/766,308,821.40
  6. Step 6: Final answer
    x = 786,666,176.10

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Half scale
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Double scale
Find fourth proportional to 766,308,822.40, 1,149,463,233.60 and 524,444,118.40
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.