Home / 413,020,963.06-570,010,101.95-308,417,431.03

Finding the Fourth Proportional to 413,020,963.06, 570,010,101.95 and 308,417,431.03

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Solution

The fourth proportional to 413,020,963.06, 570,010,101.95 and 308,417,431.03 is: 425,646,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,020,963.06 : 570,010,101.95 = 308,417,431.03 : x
  2. Step 2: Convert to fraction form
    413,020,963.06/570,010,101.95 = 308,417,431.03/x
  3. Step 3: Cross multiply
    413,020,963.06x = 570,010,101.95 × 308,417,431.03
  4. Step 4: Simplify right side
    413,020,963.06x = 175,801,051,303,913,408
  5. Step 5: Solve for x
    x = 175,801,051,303,913,408/413,020,963.06
  6. Step 6: Final answer
    x = 425,646,800.11

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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.