Home / 767,901,752.07-1,059,402,889.05-445,974,915.35

Finding the Fourth Proportional to 767,901,752.07, 1,059,402,889.05 and 445,974,915.35

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Solution

The fourth proportional to 767,901,752.07, 1,059,402,889.05 and 445,974,915.35 is: 615,270,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,901,752.07 : 1,059,402,889.05 = 445,974,915.35 : x
  2. Step 2: Convert to fraction form
    767,901,752.07/1,059,402,889.05 = 445,974,915.35/x
  3. Step 3: Cross multiply
    767,901,752.07x = 1,059,402,889.05 × 445,974,915.35
  4. Step 4: Simplify right side
    767,901,752.07x = 472,467,113,767,063,552
  5. Step 5: Solve for x
    x = 472,467,113,767,063,552/767,901,752.07
  6. Step 6: Final answer
    x = 615,270,264.06

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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.