Home / 971,169,027.48-1,340,212,307.76-525,131,325.18

Finding the Fourth Proportional to 971,169,027.48, 1,340,212,307.76 and 525,131,325.18

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Solution

The fourth proportional to 971,169,027.48, 1,340,212,307.76 and 525,131,325.18 is: 724,680,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,169,027.48 : 1,340,212,307.76 = 525,131,325.18 : x
  2. Step 2: Convert to fraction form
    971,169,027.48/1,340,212,307.76 = 525,131,325.18/x
  3. Step 3: Cross multiply
    971,169,027.48x = 1,340,212,307.76 × 525,131,325.18
  4. Step 4: Simplify right side
    971,169,027.48x = 703,787,465,196,554,752
  5. Step 5: Solve for x
    x = 703,787,465,196,554,752/971,169,027.48
  6. Step 6: Final answer
    x = 724,680,714.98

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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.