Home / 658,864,718.02-909,235,037.40-357,450,013.93

Finding the Fourth Proportional to 658,864,718.02, 909,235,037.40 and 357,450,013.93

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Solution

The fourth proportional to 658,864,718.02, 909,235,037.40 and 357,450,013.93 is: 493,281,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,864,718.02 : 909,235,037.40 = 357,450,013.93 : x
  2. Step 2: Convert to fraction form
    658,864,718.02/909,235,037.40 = 357,450,013.93/x
  3. Step 3: Cross multiply
    658,864,718.02x = 909,235,037.40 × 357,450,013.93
  4. Step 4: Simplify right side
    658,864,718.02x = 325,006,076,782,486,848
  5. Step 5: Solve for x
    x = 325,006,076,782,486,848/658,864,718.02
  6. Step 6: Final answer
    x = 493,281,955.91

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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.