Home / 8,519,955,710.40-12,779,933,565.60-7,068,767,486.40

Finding the Fourth Proportional to 8,519,955,710.40, 12,779,933,565.60 and 7,068,767,486.40

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Solution

The fourth proportional to 8,519,955,710.40, 12,779,933,565.60 and 7,068,767,486.40 is: 10,603,151,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,955,710.40 : 12,779,933,565.60 = 7,068,767,486.40 : x
  2. Step 2: Convert to fraction form
    8,519,955,710.40/12,779,933,565.60 = 7,068,767,486.40/x
  3. Step 3: Cross multiply
    8,519,955,710.40x = 12,779,933,565.60 × 7,068,767,486.40
  4. Step 4: Simplify right side
    8,519,955,710.40x = 90,338,378,866,865,291,264
  5. Step 5: Solve for x
    x = 90,338,378,866,865,291,264/8,519,955,710.40
  6. Step 6: Final answer
    x = 10,603,151,229.60

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Double scale
Find fourth proportional to 8,519,955,711.40, 12,779,933,567.10 and 7,068,767,487.40
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.