Home / 413,020,966.08-570,010,106.12-308,417,434.05

Finding the Fourth Proportional to 413,020,966.08, 570,010,106.12 and 308,417,434.05

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Solution

The fourth proportional to 413,020,966.08, 570,010,106.12 and 308,417,434.05 is: 425,646,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,020,966.08 : 570,010,106.12 = 308,417,434.05 : x
  2. Step 2: Convert to fraction form
    413,020,966.08/570,010,106.12 = 308,417,434.05/x
  3. Step 3: Cross multiply
    413,020,966.08x = 570,010,106.12 × 308,417,434.05
  4. Step 4: Simplify right side
    413,020,966.08x = 175,801,054,310,556,512
  5. Step 5: Solve for x
    x = 175,801,054,310,556,512/413,020,966.08
  6. Step 6: Final answer
    x = 425,646,804.28

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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.