Home / 1,565,708,597.29-2,160,686,406.12-921,992,616.01

Finding the Fourth Proportional to 1,565,708,597.29, 2,160,686,406.12 and 921,992,616.01

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Solution

The fourth proportional to 1,565,708,597.29, 2,160,686,406.12 and 921,992,616.01 is: 1,272,354,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,708,597.29 : 2,160,686,406.12 = 921,992,616.01 : x
  2. Step 2: Convert to fraction form
    1,565,708,597.29/2,160,686,406.12 = 921,992,616.01/x
  3. Step 3: Cross multiply
    1,565,708,597.29x = 2,160,686,406.12 × 921,992,616.01
  4. Step 4: Simplify right side
    1,565,708,597.29x = 1,992,136,911,945,020,416
  5. Step 5: Solve for x
    x = 1,992,136,911,945,020,416/1,565,708,597.29
  6. Step 6: Final answer
    x = 1,272,354,840.10

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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.