Home / 1,490,398,402.48-2,056,689,914.35-812,200,952

Finding the Fourth Proportional to 1,490,398,402.48, 2,056,689,914.35 and 812,200,952

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Solution

The fourth proportional to 1,490,398,402.48, 2,056,689,914.35 and 812,200,952 is: 1,120,804,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,398,402.48 : 2,056,689,914.35 = 812,200,952 : x
  2. Step 2: Convert to fraction form
    1,490,398,402.48/2,056,689,914.35 = 812,200,952/x
  3. Step 3: Cross multiply
    1,490,398,402.48x = 2,056,689,914.35 × 812,200,952
  4. Step 4: Simplify right side
    1,490,398,402.48x = 1,670,445,506,403,868,416
  5. Step 5: Solve for x
    x = 1,670,445,506,403,868,416/1,490,398,402.48
  6. Step 6: Final answer
    x = 1,120,804,681.23

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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.