Home / 495,817,716.40-742,830,779.40-424,154,100.40

Finding the Fourth Proportional to 495,817,716.40, 742,830,779.40 and 424,154,100.40

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Solution

The fourth proportional to 495,817,716.40, 742,830,779.40 and 424,154,100.40 is: 635,464,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,817,716.40 : 742,830,779.40 = 424,154,100.40 : x
  2. Step 2: Convert to fraction form
    495,817,716.40/742,830,779.40 = 424,154,100.40/x
  3. Step 3: Cross multiply
    495,817,716.40x = 742,830,779.40 × 424,154,100.40
  4. Step 4: Simplify right side
    495,817,716.40x = 315,074,720,985,837,824
  5. Step 5: Solve for x
    x = 315,074,720,985,837,824/495,817,716.40
  6. Step 6: Final answer
    x = 635,464,830.25

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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.