Home / 1,152,386,148.26-1,590,292,962.33-630,865,380.26

Finding the Fourth Proportional to 1,152,386,148.26, 1,590,292,962.33 and 630,865,380.26

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Solution

The fourth proportional to 1,152,386,148.26, 1,590,292,962.33 and 630,865,380.26 is: 870,594,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,386,148.26 : 1,590,292,962.33 = 630,865,380.26 : x
  2. Step 2: Convert to fraction form
    1,152,386,148.26/1,590,292,962.33 = 630,865,380.26/x
  3. Step 3: Cross multiply
    1,152,386,148.26x = 1,590,292,962.33 × 630,865,380.26
  4. Step 4: Simplify right side
    1,152,386,148.26x = 1,003,260,774,405,117,184
  5. Step 5: Solve for x
    x = 1,003,260,774,405,117,184/1,152,386,148.26
  6. Step 6: Final answer
    x = 870,594,267.31

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Double scale
Find fourth proportional to 1,152,386,149.26, 1,590,292,963.71 and 630,865,381.26
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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.