Home / 1,571,130,663.88-2,168,257,092.93-866,280,465.58

Finding the Fourth Proportional to 1,571,130,663.88, 2,168,257,092.93 and 866,280,465.58

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Solution

The fourth proportional to 1,571,130,663.88, 2,168,257,092.93 and 866,280,465.58 is: 1,195,520,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,130,663.88 : 2,168,257,092.93 = 866,280,465.58 : x
  2. Step 2: Convert to fraction form
    1,571,130,663.88/2,168,257,092.93 = 866,280,465.58/x
  3. Step 3: Cross multiply
    1,571,130,663.88x = 2,168,257,092.93 × 866,280,465.58
  4. Step 4: Simplify right side
    1,571,130,663.88x = 1,878,318,763,960,537,600
  5. Step 5: Solve for x
    x = 1,878,318,763,960,537,600/1,571,130,663.88
  6. Step 6: Final answer
    x = 1,195,520,402.69

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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.