Home / 1,418,341,161.16-1,957,833,103.70-853,852,280.36

Finding the Fourth Proportional to 1,418,341,161.16, 1,957,833,103.70 and 853,852,280.36

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Solution

The fourth proportional to 1,418,341,161.16, 1,957,833,103.70 and 853,852,280.36 is: 1,178,630,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,341,161.16 : 1,957,833,103.70 = 853,852,280.36 : x
  2. Step 2: Convert to fraction form
    1,418,341,161.16/1,957,833,103.70 = 853,852,280.36/x
  3. Step 3: Cross multiply
    1,418,341,161.16x = 1,957,833,103.70 × 853,852,280.36
  4. Step 4: Simplify right side
    1,418,341,161.16x = 1,671,700,260,158,541,312
  5. Step 5: Solve for x
    x = 1,671,700,260,158,541,312/1,418,341,161.16
  6. Step 6: Final answer
    x = 1,178,630,576.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.