Home / 287,897,549,411.30-397,107,314,772.54-185,144,575,422.93

Finding the Fourth Proportional to 287,897,549,411.30, 397,107,314,772.54 and 185,144,575,422.93

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Solution

The fourth proportional to 287,897,549,411.30, 397,107,314,772.54 and 185,144,575,422.93 is: 255,376,488,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,897,549,411.30 : 397,107,314,772.54 = 185,144,575,422.93 : x
  2. Step 2: Convert to fraction form
    287,897,549,411.30/397,107,314,772.54 = 185,144,575,422.93/x
  3. Step 3: Cross multiply
    287,897,549,411.30x = 397,107,314,772.54 × 185,144,575,422.93
  4. Step 4: Simplify right side
    287,897,549,411.30x = 73,522,265,190,901,733,130,240
  5. Step 5: Solve for x
    x = 73,522,265,190,901,733,130,240/287,897,549,411.30
  6. Step 6: Final answer
    x = 255,376,488,411.39

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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.