Home / 1,180,987,221.60-1,771,480,832.40-874,877,205.60

Finding the Fourth Proportional to 1,180,987,221.60, 1,771,480,832.40 and 874,877,205.60

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Solution

The fourth proportional to 1,180,987,221.60, 1,771,480,832.40 and 874,877,205.60 is: 1,312,315,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,987,221.60 : 1,771,480,832.40 = 874,877,205.60 : x
  2. Step 2: Convert to fraction form
    1,180,987,221.60/1,771,480,832.40 = 874,877,205.60/x
  3. Step 3: Cross multiply
    1,180,987,221.60x = 1,771,480,832.40 × 874,877,205.60
  4. Step 4: Simplify right side
    1,180,987,221.60x = 1,549,828,200,424,073,984
  5. Step 5: Solve for x
    x = 1,549,828,200,424,073,984/1,180,987,221.60
  6. Step 6: Final answer
    x = 1,312,315,808.40

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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.