Home / 472,393,386.60-708,590,079.90-357,602,130.60

Finding the Fourth Proportional to 472,393,386.60, 708,590,079.90 and 357,602,130.60

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Solution

The fourth proportional to 472,393,386.60, 708,590,079.90 and 357,602,130.60 is: 536,403,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,386.60 : 708,590,079.90 = 357,602,130.60 : x
  2. Step 2: Convert to fraction form
    472,393,386.60/708,590,079.90 = 357,602,130.60/x
  3. Step 3: Cross multiply
    472,393,386.60x = 708,590,079.90 × 357,602,130.60
  4. Step 4: Simplify right side
    472,393,386.60x = 253,393,322,294,264,256
  5. Step 5: Solve for x
    x = 253,393,322,294,264,256/472,393,386.60
  6. Step 6: Final answer
    x = 536,403,195.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.