Home / 551,572,482.88-761,142,516.48-313,386,205.58

Finding the Fourth Proportional to 551,572,482.88, 761,142,516.48 and 313,386,205.58

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Solution

The fourth proportional to 551,572,482.88, 761,142,516.48 and 313,386,205.58 is: 432,457,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,572,482.88 : 761,142,516.48 = 313,386,205.58 : x
  2. Step 2: Convert to fraction form
    551,572,482.88/761,142,516.48 = 313,386,205.58/x
  3. Step 3: Cross multiply
    551,572,482.88x = 761,142,516.48 × 313,386,205.58
  4. Step 4: Simplify right side
    551,572,482.88x = 238,531,565,142,649,280
  5. Step 5: Solve for x
    x = 238,531,565,142,649,280/551,572,482.88
  6. Step 6: Final answer
    x = 432,457,333.44

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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.