Home / 8,596,284,111.47-12,900,316,159.85-3,000,221,197.45

Finding the Fourth Proportional to 8,596,284,111.47, 12,900,316,159.85 and 3,000,221,197.45

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Solution

The fourth proportional to 8,596,284,111.47, 12,900,316,159.85 and 3,000,221,197.45 is: 4,502,387,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596,284,111.47 : 12,900,316,159.85 = 3,000,221,197.45 : x
  2. Step 2: Convert to fraction form
    8,596,284,111.47/12,900,316,159.85 = 3,000,221,197.45/x
  3. Step 3: Cross multiply
    8,596,284,111.47x = 12,900,316,159.85 × 3,000,221,197.45
  4. Step 4: Simplify right side
    8,596,284,111.47x = 38,703,801,996,588,752,896
  5. Step 5: Solve for x
    x = 38,703,801,996,588,752,896/8,596,284,111.47
  6. Step 6: Final answer
    x = 4,502,387,484.49

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Double scale
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1.5x scale

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.