Home / 1,210,146,068.80-1,815,219,103.20-881,077,801.60

Finding the Fourth Proportional to 1,210,146,068.80, 1,815,219,103.20 and 881,077,801.60

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Solution

The fourth proportional to 1,210,146,068.80, 1,815,219,103.20 and 881,077,801.60 is: 1,321,616,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,146,068.80 : 1,815,219,103.20 = 881,077,801.60 : x
  2. Step 2: Convert to fraction form
    1,210,146,068.80/1,815,219,103.20 = 881,077,801.60/x
  3. Step 3: Cross multiply
    1,210,146,068.80x = 1,815,219,103.20 × 881,077,801.60
  4. Step 4: Simplify right side
    1,210,146,068.80x = 1,599,349,256,869,779,712
  5. Step 5: Solve for x
    x = 1,599,349,256,869,779,712/1,210,146,068.80
  6. Step 6: Final answer
    x = 1,321,616,702.40

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Double scale
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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.