Home / 3,157,893,417.14-4,357,720,267.88-1,728,688,042.34

Finding the Fourth Proportional to 3,157,893,417.14, 4,357,720,267.88 and 1,728,688,042.34

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Solution

The fourth proportional to 3,157,893,417.14, 4,357,720,267.88 and 1,728,688,042.34 is: 2,385,494,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,893,417.14 : 4,357,720,267.88 = 1,728,688,042.34 : x
  2. Step 2: Convert to fraction form
    3,157,893,417.14/4,357,720,267.88 = 1,728,688,042.34/x
  3. Step 3: Cross multiply
    3,157,893,417.14x = 4,357,720,267.88 × 1,728,688,042.34
  4. Step 4: Simplify right side
    3,157,893,417.14x = 7,533,138,918,916,385,792
  5. Step 5: Solve for x
    x = 7,533,138,918,916,385,792/3,157,893,417.14
  6. Step 6: Final answer
    x = 2,385,494,987.91

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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.