Home / 629,871,710.40-944,807,565.60-612,865,598.40

Finding the Fourth Proportional to 629,871,710.40, 944,807,565.60 and 612,865,598.40

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Solution

The fourth proportional to 629,871,710.40, 944,807,565.60 and 612,865,598.40 is: 919,298,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,871,710.40 : 944,807,565.60 = 612,865,598.40 : x
  2. Step 2: Convert to fraction form
    629,871,710.40/944,807,565.60 = 612,865,598.40/x
  3. Step 3: Cross multiply
    629,871,710.40x = 944,807,565.60 × 612,865,598.40
  4. Step 4: Simplify right side
    629,871,710.40x = 579,040,054,064,291,200
  5. Step 5: Solve for x
    x = 579,040,054,064,291,200/629,871,710.40
  6. Step 6: Final answer
    x = 919,298,397.60

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Half scale
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Double scale
Find fourth proportional to 629,871,711.40, 944,807,567.10 and 612,865,599.40
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.