Home / 1,913,918,308.50-2,870,877,459.51-459,895,732.50

Finding the Fourth Proportional to 1,913,918,308.50, 2,870,877,459.51 and 459,895,732.50

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Solution

The fourth proportional to 1,913,918,308.50, 2,870,877,459.51 and 459,895,732.50 is: 689,843,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,918,308.50 : 2,870,877,459.51 = 459,895,732.50 : x
  2. Step 2: Convert to fraction form
    1,913,918,308.50/2,870,877,459.51 = 459,895,732.50/x
  3. Step 3: Cross multiply
    1,913,918,308.50x = 2,870,877,459.51 × 459,895,732.50
  4. Step 4: Simplify right side
    1,913,918,308.50x = 1,320,304,292,159,090,688
  5. Step 5: Solve for x
    x = 1,320,304,292,159,090,688/1,913,918,308.50
  6. Step 6: Final answer
    x = 689,843,597.97

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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.