Home / 1,218,514,791,395.40-1,827,779,975,836.80-357,985,441,040.10

Finding the Fourth Proportional to 1,218,514,791,395.40, 1,827,779,975,836.80 and 357,985,441,040.10

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Solution

The fourth proportional to 1,218,514,791,395.40, 1,827,779,975,836.80 and 357,985,441,040.10 is: 536,980,449,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,514,791,395.40 : 1,827,779,975,836.80 = 357,985,441,040.10 : x
  2. Step 2: Convert to fraction form
    1,218,514,791,395.40/1,827,779,975,836.80 = 357,985,441,040.10/x
  3. Step 3: Cross multiply
    1,218,514,791,395.40x = 1,827,779,975,836.80 × 357,985,441,040.10
  4. Step 4: Simplify right side
    1,218,514,791,395.40x = 654,318,620,774,200,139,317,248
  5. Step 5: Solve for x
    x = 654,318,620,774,200,139,317,248/1,218,514,791,395.40
  6. Step 6: Final answer
    x = 536,980,449,802.25

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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.