Home / 7,971,853,266.40-11,957,779,899.60-2,155,762,962.40

Finding the Fourth Proportional to 7,971,853,266.40, 11,957,779,899.60 and 2,155,762,962.40

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Solution

The fourth proportional to 7,971,853,266.40, 11,957,779,899.60 and 2,155,762,962.40 is: 3,233,644,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,853,266.40 : 11,957,779,899.60 = 2,155,762,962.40 : x
  2. Step 2: Convert to fraction form
    7,971,853,266.40/11,957,779,899.60 = 2,155,762,962.40/x
  3. Step 3: Cross multiply
    7,971,853,266.40x = 11,957,779,899.60 × 2,155,762,962.40
  4. Step 4: Simplify right side
    7,971,853,266.40x = 25,778,139,020,088,872,960
  5. Step 5: Solve for x
    x = 25,778,139,020,088,872,960/7,971,853,266.40
  6. Step 6: Final answer
    x = 3,233,644,443.60

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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.