Home / 831,670,547.72-1,147,714,425.78-460,398,779.24

Finding the Fourth Proportional to 831,670,547.72, 1,147,714,425.78 and 460,398,779.24

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Solution

The fourth proportional to 831,670,547.72, 1,147,714,425.78 and 460,398,779.24 is: 635,355,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,547.72 : 1,147,714,425.78 = 460,398,779.24 : x
  2. Step 2: Convert to fraction form
    831,670,547.72/1,147,714,425.78 = 460,398,779.24/x
  3. Step 3: Cross multiply
    831,670,547.72x = 1,147,714,425.78 × 460,398,779.24
  4. Step 4: Simplify right side
    831,670,547.72x = 528,406,320,545,249,600
  5. Step 5: Solve for x
    x = 528,406,320,545,249,600/831,670,547.72
  6. Step 6: Final answer
    x = 635,355,336.31

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1.5x scale

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.